Azido-PEG1-NHS ester

Azido-PEG1-NHS ester is a click chemistry PEG reagent with broad application. Azide(N3) group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.