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4-Arm PEG-Amine/Azide

4-Arm PEG-Amine/Azide


Bifunctional 4-Arm PEG reagents have two functional groups Azide and Amine at specific ratio of 1:3, 2:2, 3:1. The amine and azide functionality in 4-Arm PEG-Azide/Amine are for reaction with NHS ester and alkyne or DBCO click chemistry. Bifunctional PEG synthesized via our proprietary chemistry to produce precisely predetermined ratios of the two functionality. These reagents provide extended application for multi-arm PEG as heterobifunctional crosslinkers.

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