Biotin-PEG11-Mal Datasheet DC Chemicals
Description 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.
Cat.No DC35069
Name Biotin-PEG11-Mal

Chemical Properties

CAS
Formula C41H71N5O16S
MW 922.1
Storage

References

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