N-(Azido-PEG4)-N-bis(PEG4-acid) is a branched click chemistry reagent with a terminal azide group and two terminal carboxylic acids. The azide group enables Click Chemistry with alkyne. The terminal carboxylic acids can react with primary amino groups in the presence of activators (e.g. EDC, HATU ). Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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