t-Boc-N-amido-PEG-CH2COOH, MW 3,400 is a boc-protected PEG-based polymer. Carboxyl can react with primary amine (in the presence of EDC or HATU) via formation of a stable amide bond. The t-Boc can be removed under acidic condition to produce a free amine. Reagent grade, for research purpose.
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