t-Boc-N-amido-PEG-OH, MW 10,000 is an amine protected polydisperse PEG. The tert-butoxycarbonyl protecting group (t-boc) can be easily removed under acidic condition to yield a free amine which can then react with an active ester (NHS) or carboxyl (-COOH) in the presence of EDC or HATU. Reagent grade, for research purpose.
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