ProductDescription
4-ArmPEG-Thiol(4-armPEG-SH)isamultiarmPEGderivativewiththiolgroupsateachterminalofthefourarmsconnectedtoonepentaerythritolcore.Thereactivefreethiol,SH,sulfhydryl,ormercaptogroupsselectivelyreactwithmaleimideandtransitionmetalsurfaceincludinggold,silver,etc.PEG-SHcanbeeasilyairoxidizedtoformS-Sdisulfide(disulphide)bonds,whichcanbereversedwithreducingagents.ItisausefulreagentforreversIBLePEGylationandPEGhydrogel.