Azido-PEG8-acid is a PEG derivative containing an azide group with a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. 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.

L-Azidohomoalanine HCl salt is an amino acid analog that provides a fast, sensitive, non-toxic and non-radioactive alternative to the traditional radioactive 35S-methionine for the detection of nascent protein. L-azidohomoalaine contains a small modification and its azido moiety can be fed to cultured cells and incorporated into proteins during active protein synthesis.

1,7-Bis-Boc-1,4,7-Triazaheptane is a non-PEG crosslinker.

4-bromobutylphosphonic acid is a non-PEG crosslinker

m-PEG5-azide is a PEG derivative containing an azide group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The hydrophilic PEG spacer increases solubility in aqueous media.

N-Benzyl-N-bis(PEG1-OH) is a PEG Linker

PEG15 is a PEG Linker.

Tetraethylene glycol is a PEG linker. PEG linkers may be useful in the development of antibody drug conjugates.

Triethylene glycol is a PEG linker. PEG Linkers may be useful in the development of antibody drug conjugates.

m-PEG3-alcohol is a PEG derivative containing a hydroxyl group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The hydrophilic PEG spacer increases solubility in aqueous media.

Hydroxy-PEG2-sulfonic acid is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Hydroxy-PEG12-t-butyl ester is a PEG derivative containing a hydroxyl group with a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Hydroxy-PEG14-acid is a PEG derivative containing a hydroxyl 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 hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Fluorescein-PEG2-azide is a heterofunctional fluorescent PEG derivative containing an azide group, which enables Click Chemistry. The hydrophilic PEG spacer arm increases solubility in aqueous media. The FITC group (Fluorescein) can be easily traced from its yellow color and green fluorescence.

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.

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-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-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-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.

Propargyl-PEG6-azide is a PEG derivative containing a propargyl group and an azide 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.

Propargyl-PEG6-amine is a PEG derivative containing a propargyl group and an amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. 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. PEG Linkers are useful in the development of antibody drug conjugates (ADCs).

Propargyl-PEG5-CH2CO2-NHS is a PEG derivative containing a propargyl group and an NHS group. The hydrophilic PEG spacer increases solubility in aqueous media. This reagent has a terminal NHS ester and is an amine reactive reagent for derivatizing peptides, antibodies, amine coated surfaces etc. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-NHS ester Click Chemistry to yield a stable triazole linkage.

Sulfo-NHS-Biotin, or Sulfosuccinimidyl biotin, is a water soluble biotinylation reagent used in Biotin-Streptavidin binding reactions. It is ideal for biotinylating antibody or protein that can then be used for protein detection or immobilization when used in conjunction with streptavidin and Immobilized Streptavidin. Sulfo-NHS-Biotin is particularly useful for targeting cell surface proteins in Streptavidin-Biotin assays.

PDPH Crosslinker, or SPDP Hydrazide, is a cleavable, heterobifunctional protein crosslinker. PDPH crosslinking reagent's hydrazide group selectively reacts with oxidized carbohydrates (or carboxyls when used with EDC); while the pyridinyldisulfide moity is reactive toward reduced thiols (sulfhydryls; -SH). Thus, PDPH linker is an excellent choice for crosslinking glycoproteins and other polysaccharides.

Citiolone is a drug used in liver therapy. It is a derivative of the amino acid cysteine.

C.I. Disperse Red 15 is a Red dye used as a fluorescent indicator.

Oxphenisatin Acetate inhibits the growth of breast cancer cells by inhibiting translation, rapid phosphorylation. The pathways involved in apoptosis induction, starvation responses, and RNA/protein metabolism. Oxphenisatin Acetate also results in mitochondrial dysfunction.

Nicosulfuron is a pesticide that works by inhibiting the acetolactate synthase enzyme. Thus, crucial amino acids are not produced for the system. Nicosulfuron has not been found to induce mutagenic or carcinogenic effects.

Cythioate is a cholinesterase inhibitor used as an insecticide.

Benzyladenine is a plant growth regulator. When complexed with gold, the derivatives exhibit cytotoxicity and anti-inflammatory activity.