ProductDescription
4-armPEG聽succinimidylglutarateester(4-armPEG-SG)isamultiarmPEGderivativewithsuccinimidylNHSactiveestergroupsateachterminalofthe4聽armsconnectedtoonepentaerythritolcore.PEG-SS(succinimidylglutarateester)isonetypeofPEG-NHSreagents.ThereisaC3hydrocarbonesterlinkagebetweenPEGandtheNHSester.NHSisagoodleavinggroupwhichcanreactwithamine-containingmoities.