13-(Azide-PEG9-ethylcarbamoyl)tridecanoic t-butyl ester from Aladdin Scientific Corporation

13-(Azide-PEG9-ethylcarbamoyl)tridecanoic t-butyl ester is a PEG derivative containing an azide group and a t-butyl ester. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions