4-Arm PEG-Azide (MW 40000) from MedChemExpress

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4-Arm PEG-Azide (MW 40000)

Description

4-Arm PEG-Azide (MW 40000) (4-Arm PEG-N3 (MW 40000)) is a multi-arm PEG derivative with an azide group at each end of four arms attached to a pentaerythritol core[1]