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Bio-PEG2-MAL


Bio-PEG2-MAL

Catalog:CDPB-04387

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INQUIRY Datasheet

Common UseBiotin-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 of the molecules conjugated to the Biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules.
Structure Bio-PEG2-MAL
PEG Molecular Weight525.6 g/mol
Functional GroupBiotin/Maleimide
Purity98%
Storage-20°C
Molecular FormulaC23H35N5O7S
CAS No.305372-39-8
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