CatalogID: 10239

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4-ArmPEG-Biotin is a multi-armed PEG derivative featuring biotin molecules at each terminal of its four arms, all connected to a central pentaerythritol core. This compound is widely employed in bioconjugation and biomedical applications due to the high affinity between biotin and avidin/streptavidin, making it a widely used binding pair in protein PEGylation and immunoassays. 

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4-ArmPEG-Biotin MSDS download