Biotin-PEG8-NHS ester is PEG derivative containing a biotin group and an NHS ester group. The NHS group reacts specifically and efficiently with lysine and N-terminal amino groups at pH 7-9 to form stable amide bonds. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG3-alcohol is a PEG derivative containing a biotin group and a terminal primary hydroxyl. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG4-alcohol, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Biotin-PEG6-alcohol is a PEG derivative containing a biotin group and a terminal primary hydroxyl. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Biotin-PEG8-alcohol is a PEG derivative containing a biotin group and a terminal primary hydroxyl. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Biotin-PEG2-amine is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Biotin-PEG3-amineis PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG4-amine is a PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, PEG Linkers can be useful in the development of antibody drug conjugates and drug delivery methods.

Biotin-PEG5-amine is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, this PEG Linker may be useful in the development of antibody drug conjugates.

Biotin-PEG6-amine is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, Biotin-PEG-amines can be useful in the development of antibody drug conjugates.

Biotin-PEG7-amine is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, Biotin-PEG-amines may be useful in the development of antibody drug conjugates.

Biotin-PEG11-amine is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, Biotin-PEG-amines may be useful in the development of antibody drug conjugates.

Biotin-PEG23-amine is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, Biotin-PEG-amines may be useful in the development of antibody drug conjugates (ADCs).

Biotin-PEG3-(CH2)3-NH2 TFA salt is PEG derivative containing a biotin group and a terminal primary amine group. The amine group can be coupled to carboxyl groups or 5'phosphate groups to form stable amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. Therefore, Biotin-PEG-amines may be useful in the development of antibody drug conjugates.

Biotin-PEG4-TFP ester is a Biotin PEG Linker with a primary amino (-NH2) that forms stable, irreversible amide bonds. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs) and drug delivery methods.

Biotin-PEG12-TFP ester with primary amino (-NH2) forms stable, irreversible amide bonds. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule. Therefore, Biotin-PEG-TFP esters may be useful in the development of antibody drug conjugates.

Biotin-PEG24-TFP ester with primary amino (-NH2) forms stable, irreversible amide bonds. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule. PEG Linkers are useful in the development of antibody drug conjugates (ADCs).

Biotin-PFP ester will react with primary amino groups (-NH2) to form stable, irreversible amide bonds. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs) and drug delivery methods.

Biotin-PEG2-Mal is a PEG derivative containing a biotin group and a maleimide group for labeling and crosslinking cysteines and other sulfhydryls. The maleimide group reacts specifically with sulfhydryl groups (at pH 6.5-7.5) to form a stable, irreversible thioether linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.

Biotin-PEG3-Mal is a PEG derivative containing a biotin group and a maleimide group for labeling and crosslinking cysteines and other sulfhydryls. The maleimide group reacts specifically with sulfhydryl groups (at pH 6.5-7.5) to form a stable, irreversible thioether linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.

Biotin-PEG11-Malis a PEG derivative containing a biotin group and a maleimide group for labeling and crosslinking cysteines and other sulfhydryls. The maleimide group reacts specifically with sulfhydryl groups (at pH 6.5-7.5) to form a stable, irreversible thioether linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.

Biotin-PEG2-azide is PEG derivative containing a biotin group and an azide group. The azide group can react with either alkyne moiety in Cu(I)-catalyzed Click Chemistry reaction or DBCO moiety in copper-free Click Chemistry reaction to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.

Biotin-PEG3-azide is PEG derivative containing a biotin group and an azide group. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG4-azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG5-azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases membrane impermeability of the molecules conjugated to the biotin compound and helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG7-azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG11-azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG2-C6-azide is a PEG derivative containing a biotin group and an azide group. The azide group can react with either alkyne moiety in Cu(I)-catalyzed Click Chemistry reaction or DBCO moiety in copper-free Click Chemistry reaction to form a stable triazole linkage. The spacer arm helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs)

Biotin-PEG4-Picolyl azide has a biotin moiety and a picolyl azide moiety which can be conjugated with alkyne-containing biomolecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Dde Biotin-PEG4-azide is useful for introducing a biotin moiety to alkyne-containing biomolecules using Cu(I)-catalyzed Click Chemistry. The Dde protecting group allows efficient release of captured biotinylated molecules from streptavidin under mild conditions with hydrazine.

Dde Biotin-PEG4-Picolyl azide is a cleavable reagent containing a biotin moiety and a picolyl azide moiety which can be conjugated with alkyne-containing biomolecules. This biotin reagent incorporates a copper-chelating motif that dramatically accelerates the Cu(I)-catalyzed Click Chemistry. Dde protecting group allows efficient release of captured biotinylated molecules from streptavidin under mild conditions with hydrazine.

Diazo Biotin-PEG3-azide is useful for introducing a biotin moiety to alkyne-containing biomolecules using Cu(I)-catalyzed Click Chemistry. Diazo allows efficient release of captured biotinylated molecules from streptavidin using sodium dithionite (Na2S2O4).

Diol Biotin-PEG3-azide is useful for introducing a biotin moiety to alkyne-containing biomolecules using Cu(I)-catalyzed Click Chemistry. Diol allows efficient release of captured biotinylated molecules from streptavidin using sodium periodate (NaIO4).

N-(Azido-PEG4)-biocytin is a biotin PEG derivative containing a carboxylic group and an azide group. Reaction of carboxylic with primary amino (-NH2) forms stable, irreversible amide bonds. The azide group can react with alkyne moiety in Cu(I)-catalyzed Click Chemistry reaction or DBCO moiety in copper-free Click Chemistry reaction to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound.

PC Biotin-PEG3-azide is useful for introducing a biotin moiety to alkyne-containing biomolecules using Cu(I)-catalyzed Click Chemistry. Captured biomolecules can be efficiently photoreleased using near-UV, low intensity lamp (e.g. 365 nm lamp at 1-5 mW/cm2).

UV Cleavable Biotin-PEG2-Azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG2-C4-alkyne is a PEG derivative containing a biotin group and an alkyne group. The alkyne group can react with azide moiety in Cu(I)-catalyzed Click Chemistry reaction to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.

Biotin-PEG4-alkyne is a PEG derivative containing a biotin group and an alkyne group. The alkyne group can react with azide moiety in Cu(I)-catalyzed Click Chemistry reaction to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.

Dde Biotin-PEG4-alkyne is useful for introducing a biotin moiety to azide-containing biomolecules using Cu(I)-catalyzed Click Chemistry. The hydrophilic spacer arm provides better solubility to the labeled molecules in aqueous media. Dde protecting group allows efficient release of captured biotinylated molecules from streptavidin under mild conditions with hydrazine. PEG Linkers may be useful in the development of antibody drug conjugates.

Diazo Biotin-PEG3-alkyne is useful for introducing a biotin moiety to azide-containing biomolecules using Cu(I)-catalyzed Click Chemistry. The hydrophilic spacer arm provides better solubility to the labeled molecules in aqueous media. Diazo allows efficient release of captured biotinylated molecules from streptavidin using sodium dithionite (Na2S2O4).

Diol Biotin-PEG3-alkyne is useful for introducing a biotin moiety to azide-containing biomolecules using Cu(I)-catalyzed Click Chemistry. The hydrophilic spacer arm provides better solubility to the labeled molecules in aqueous media. Diol allows efficient release of captured biotinylated molecules from streptavidin using sodium periodate (NaIO4).

N-(Propargyl-PEG4)-biocytin is a biotin PEG derivative containing a carboxylic group and an alkyne group. Reaction of carboxylic with primary amino (-NH2) forms stable, irreversible amide bonds. The alkyne group can react with azide moiety in Cu(I)-catalyzed Click Chemistry reaction to form a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media and increases membrane impermeability of the molecules conjugated to the biotin compound.

PC Biotin-PEG3-alkyne is useful for introducing a biotin moiety to azide-containing biomolecules using Cu(I)-catalyzed Click Chemistry. Captured biomolecules can be efficiently photoreleased using near-UV, low intensity lamp (e.g. 365 nm lamp at 1-5 mW/cm2). PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

PC-Biotin-PEG4-PEG4-alkyne is useful for introducing a biotin moiety to azide-containing biomolecules using Cu(I)-catalyzed Click Chemistry. Captured biomolecules can be efficiently photoreleased using near-UV, low intensity lamp (e.g. 365 nm lamp at 1-5 mW/cm2). PEG Linkers may be useful in the development of antibody drug conjugates.

UV Cleavable Biotin-PEG2-alkyne is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Bis-Biotin-PEG23 is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs) and drug delivery methods.

Diazo Biotin-PEG3-DBCO is useful for introducing a biotin moiety to azide-containing biomolecules using copper-free Click Chemistry. Diazo allows efficient release of captured biotinylated molecules from streptavidin using sodium dithionite (Na2S2O4). PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

DBCO-S-S-PEG3-biotin is a cleavable reagent for introduction of a biotin moiety to azide-containing biomolecules using copper-free Click Chemistry. The disulfide bond in this linker can be cleaved using reducing agents such as DTT, BME and TCEP to remove the biotin label. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

DBCO-PEG4-Desthiobiotin is a single-ring, sulfur-free analog of biotin that binds to streptavidin with nearly equal specificity but less affinity than biotin. PEG Linkers may be useful in the development of antibody drug conjugates.

Dde Biotin-PEG4-DBCO is a cleavable reagent for introduction of a biotin moiety to azide-containing biomolecules using copper-free Click Chemistry. Dde protecting group allows efficient release of captured biotinylated molecules from streptavidin under mild conditions with hydrazine. PEG Linkers may be useful in the development of antibody drug conjugates.

PC DBCO-PEG3-biotin is useful for introducing a biotin moiety to azide-containing biomolecules using copper-free Click Chemistry. The hydrophilic spacer arm provides better solubility to the labeled molecules in aqueous media. Captured biomolecules can be efficiently photoreleased using near-UV, low intensity lamp (e.g. 365 nm lamp at 1-5 mW/cm2).

WSPC Biotin-PEG3-DBCO is useful for introducing a biotin moiety to azide-containing proteins and cell surfaces using copper-free Click Chemistry. This biotin compound is membrane-impermeable due to its water soluble sulfonate group. Captured biomolecules can be efficiently photoreleased using near-UV, low intensity lamp (e.g. 365 nm lamp at 1-5 mW/cm2).

Biotin-PEG6-hydrazide is a hydrazide-activated biotinylation reagent used to label glycoproteins, carbohydrate-containing compounds that have oxidizable sugars or aldehydes. Hydrazine moiety reacts with an aldehyde to form semi-permanent hydrazone bonds. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule.

Biotin-PEG12-hydrazide is a hydrazide-activated biotinylation reagent used to label glycoproteins, carbohydrate-containing compounds that have oxidizable sugars or aldehydes. Hydrazine moiety reacts with an aldehyde to form semi-permanent hydrazone bonds. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule.

Biotin-PEG2-NH-Boc is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Biotin-PEG5-NH-Boc is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-EDA-PEG5-NHS enables efficient biotinylation of antibodies, proteins and other primary amine-containing biomolecules. NHS-activated biotin compound can react with primary amino groups (-NH2) to form stable, irreversible amide bonds. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule.

Biotin-EDA-PEG4-PFP is a Biotin PEG Linker. This biochemical will react with primary amino groups (-NH2) to form stable, irreversible amide bonds. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG3-oxyamine HCl salt is an aldehyde-reactive biotinylation reagent. It reacts with an aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule.

Biotin-PEG11-oxyamine HCl salt is an aldehyde-reactive biotinylation reagent. It reacts with an aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule.

Biotin-PEG4-SS-NH-PEG3-oxyamine HCl salt is a cleavable, aldehyde-reactive biotinylation reagent. It reacts with an aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule.

Biotin-PEG4-methyltetrazine reacts with TCO-containing compounds via an Inverse-Electron-Demand Diels-Alder reaction to form a stable covalent bond and does not require Cu-catalyst or elevated temperatures. The inverse-electron demand Diels-Alder cycloaddition reaction of TCO with tetrazines is a bioorthogonal reaction.

Azide-SS-biotin is a cleavable biotinylation reagent for labeling alkyne-containing biomolecules using click chemistry. The azide group reacts with alkynes to form a stable triazole linkage. The hydrophilic PEG spacer arm imparts water solubility that is transferred to the biotinylated molecule. The disulfide bond in this linker can be cleaved using reducing agents such as DTT, BME and TCEP to remove the biotin label.

Biotin-PEG3-SS-azide is a Biotinylating reagent and PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

PC-Biotin-PEG4-NHS carbonate is a unique amine reactive, photocleavable biotin reagent that is useful for introducing a biotin moiety to amine-containing biomolecules. The NHS carbonate portion of this compound reacts specifically with primary amine groups on the target molecule(s) to form a carbamate linkage. Captured biomolecules can be efficiently photoreleased using an inexpensive, near-UV, low intensity lamp (e.g. 365 nm lamp at 1-5 mW/cm2).

Fmoc-Lys (biotin-PEG4)-OH is a Lysine embedded biotin PEG derivatives containing a carboxylic group and Fmoc-protected amine. Reaction of carboxylic with primary amino (-NH2) forms stable, irreversible amide bonds. The Fmoc group can be deprotected under basic condition to obtain the free amine which can be used for further conjugations.

TAMRA-Azide-PEG-Biotin is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

TAMRA-Azide-PEG-Desthiobiotin is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

N-(Biotin)-N-bis(PEG1-alcohol) is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

N-(Biotin-PEG4)-N-bis(PEG4-acid) HCl salt is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

2-(Biotin-amido)-1,3-bis(carboxylethoxy)propane is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester is a Biotin PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG1-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG2-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG3-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG7-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of the antibody drug conjugates.

Bis-PEG8-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG9-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bis-PEG10-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG11-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG13-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG14-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG15-acid is a homobifunctional PEG derivative which will react with an amine-containing moiety in the presence of a coupling reagent. Bis PEGs can be used to modify proteins, peptides and other materials via amino or other acid reactive chemical groups. It can also be converted to N-hydroxysuccinimide active esters which can be widely used in bioconjugation.

Bis-PEG17-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

PEG2-(CH2CO2H)2 is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

PEG3-(CH2CO2H)2 is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG1-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG2-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG3-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG4-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG5-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG6-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG7-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG9-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG10-NHS esteris a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG11-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG13-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG17-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-amido-PEG2-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG3-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG5-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

t-Boc-N-amido-PEG7-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG8-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG10-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG1-CH2CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG2-CH2CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG3-CH2CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG4-(CH2)3CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG1-NHS ester is a Boc-protected PEG linker. The Boc group can be deprotected under acidic conditions to generate a free amine group. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

t-Boc-N-amido-PEG2-NHS ester is a Boc PEG Linker. The Boc group can be deprotected in mildly acidic conditions. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-amido-PEG4-NHS ester is a PEG derivative containing an NHS ester and a Boc-protected amino group. The Boc group can be deprotected under mild acidic conditions to form the free amine. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-amido-PEG5-NHS ester is a PEG derivative containing an NHS ester and a Boc-protected amino group. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

t-Boc-N-amido-PEG10-NHS ester is a Boc PEG Linker. The Boc group can be deprotected in mildly acidic conditions. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

t-Boc-N-Amido-PEG2-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-Amido-PEG3-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-Amido-PEG4-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-boc-N-amido-PEG5-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine. PEG Linkers may be useful in the development of antibody drug conjugates.

t-boc-N-amido-PEG6-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine. PEG Linkers may be useful in the development of antibody drug conjugates.

t-boc-N-amido-PEG7-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-boc-N-amido-PEG9-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

N-Boc-PEG2-alcohol is a PEG derivative containing a hydroxyl group and Boc-protected amino group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The Boc group can be deprotected under mild acidic conditions to form the free amine.

N-Boc-PEG3-alcohol is a PEG derivative containing a hydroxyl group and Boc-protected amino group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The Boc group can be deprotected under mild acidic conditions to form the free amine.

N-Boc-PEG4-alcohol is a PEG derivative containing a hydroxyl group and Boc-protected amino group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The Boc group can be deprotected under mild acidic conditions to form the free amine.

N-Boc-PEG5-alcohol is a PEG derivative containing a hydroxyl group and Boc-protected amino group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The Boc group can be deprotected under mild acidic conditions to form the free amine.

N-Boc-PEG12-alcohol is a PEG derivative containing a hydroxyl group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The Boc group can be deprotected under mild acidic conditions to form the free amine.

Azido-PEG2-t-Boc-hydrazide is a PEG derivative containing an azide group and a Boc-protected hydrazide. The azide group can react with alkyne groups, BCN, and DBCO via Click Chemistry to yield a stable triazole linkage. The Boc can be deprotected under mild acidic conditions to form a reactive hydrazide, which can then be coupled with various carbonyl groups.

Azido-PEG4-t-Boc-hydrazide is a PEG derivative containing an azide group and a Boc-protected hydrazide. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc can be deprotected under mild acidic conditions to form a reactive hydrazide, which can then be coupled with various carbonyl groups.

Boc-NH-PEG2-NH-Boc is a PEG derivative. PEG Linkers may be useful in the development of antibody drug conjugates.

Bromoacetamido-PEG2-Boc-amine is a PEG derivative. PEG Linkers and derivatives may be useful in the development of antibody drug conjugates.

Bromoacetamido-PEG3-Boc-amine is a PEG derivative. PEG Linkers may be useful in the development of antibody drug conjugates.

m-PEG3-ONHBoc is a PEG derivative. PEG Linkers and derivatives may be useful in the development of antibody drug conjugates.

N-methyl-N-(t-Boc)-PEG4-acid is a Boc PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-Amido-PEG2-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG3-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG4-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG5-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG6-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG7-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG8-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-amido-PEG3-sulfonic acid is a biochemical. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-amido-PEG3-thiol is a PEG derivative containing a Boc-protected amino group and a thiol group. The Boc group can be deprotected under mild acidic conditions to form the free amine. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces including gold, silver, etc.

Tetra(Cyanoethoxymethyl) Methane is a branched PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Bromo-PEG1-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromo-PEG2-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromo-PEG3-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromo-PEG4-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromo-PEG5-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromo-PEG1-CH2CO2H is a PEG derivative containing a bromide group with a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions.

Bromo-PEG3-CH2CO2H is a PEG derivative containing a bromide group with a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions.

Bromo-PEG1-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions. PEG Linkers may be useful in the development of antibody drug conjugates.

Bromo-PEG2-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG3-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG5-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG6-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG8-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG1-CH2CO2tBu is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG2-CH2CO2tBu is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG3-CH2CO2tBu is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG4-CH2CO2tBu is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromo-PEG2-alcohol is a PEG derivative containing a bromide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Bromo-PEG3-alcohol is a PEG derivative containing a bromide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Bromo-PEG4-alcohol is a PEG derivative containing a bromide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Bromo-PEG5-alcohol is a PEG derivative containing a bromide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Bromo-PEG6-alcohol is a PEG derivative containing a bromide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Bromo-PEG2-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromo-PEG3-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromo-PEG4-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromo-PEG5-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromo-PEG6-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromo-PEG2-bromide is a PEG derivative containing two bromide groups. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

Bromo-PEG3-bromide is a PEG derivative containing two bromide groups. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

Bromo-PEG4-bromide is a PEG derivative containing two bromide groups. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

Bromo-PEG5-bromide is a PEG derivative containing two bromide groups. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

Bromo-PEG6-bromide is a PEG derivative containing two bromide groups. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG5-bromide is a PEG derivative. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG6-bromide is a PEG derivative. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG8-bromide is a PEG derivative. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG9-bromide is a PEG derivative. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

3-(2-bromoacetamido)propanoic acid is a compound containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromoacetamido-PEG2-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromoacetamido-PEG3-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromoacetamido-PEG4-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bromoacetamido-PEG8-acid is a PEG derivative containing a bromide group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

3-(2-bromoacetamido)propanoic acid NHS ester is a PEG derivative containing a bromide group and an NHS ester. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

Bromoacetamido-PEG2-NHS ester is a PEG derivative containing a bromide group and an NHS ester. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

Bromoacetamido-PEG4-NHS ester is a PEG derivative containing a bromide group and an NHS ester. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

Bromoacetamido-PEG2-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromoacetamido-PEG3-azide is a PEG derivative containing a bromide group and a terminal azide. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromoacetamido-PEG5-azide is a PEG derivative containing a bromide group and a terminal azide. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

Bromoacetamido-PEG3-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromoacetamido-PEG4-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Bromoacetamido-PEG8-t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Chloroacetamido-PEG4-NHS ester is a PEG derivative. PEG Linkers and derivatives may be useful in the development of antibody drug conjugates.

Chloroacetamido-PEG4-t-Butyl Ester is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Aminoethyl-SS-ethylalcohol is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Aminoethyl-SS-propionic acid is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjguates.

t-Boc-Cystamine is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Amino-ethyl-SS-PEG3-NHBoc is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Azidoethyl-SS-propionic acid is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Azido-SS-PEG2-acid is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.