Fmoc-N-amido-PEG-CH2COOH, MW 5,000 is a Fmoc protected amino PEG polymer. The carboxylic acid functional group can react with primary amines in the presecnce of activators, such as EDC or HATU, to form a stable amide bond. The Fmoc group can be deprotected under basic condition to obtain the free amine which can be used for further couplings. Reagent grade, for research purpose.
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