N-(Amino-PEG3)-N-bis(PEG3-acid) is an aqueous soluble PEG reagent, . The amino group is reactive with activated NHS esters to form a amide bond.. The carboxylic acid groups (CO2H)can react with primary amine compound n the presence of activators. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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