DBCO-PEG-NHS (MW 1000)

DBCO-PEG-NHS (MW 1000) is a PEG derivative containing DBCO, PEG units, and an NHS ester. The NHS ester can conjugate with amino acids or other amine-containing molecules, while the DBCO group can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with azide-containing molecules.