Boc-Amine Alkyne-PEG-OH, MW 5,000 is a trifunctional boc-protected PEG derivative. The polymer can be used for click chemistry via CuAAC to form a stable triazole linkage. The removal of boc can be done easily via carbamate hydrolysis in acidic condition using etiher TFA or HCl. Reagent grade, for research purpose.