Azido-PEG8-t-butyl ester

Azido-PEG8-t-butyl ester is a click chemistry compound conpprising an azide group and a t-butyl ester moiety. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.