4-Arm-PEG-Azide (MW 2000)

Description

4-Arm-PEG-Azide MW 2000 4-Arm-PEG-N3 MW 2000 is a PEG derivative composed of a PEG unit and an azide group. It contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction CuAAc with molecules containing alkyne groups. It can also undergo ring strain-driven alkyne-azide cycloaddition reaction SPAAC with molecules containing DBCO or BCN groups.