t-Boc-N-amido-PEG-CH2COOH, MW 2,000 is a t-boc protected PEG reagent with terminal carboxylic acid. Coupling between carboxylic acid (-COOH) and an amine (-NH2) can be done in the presence of activator, such as HATU or EDC, to form a stable amide linkage.The t-boc protecting group can be removed using HCl or TFA to generate a free amine. Reagent grade, for research purpose.
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