ProductDescription
4-ArmPEG-Hydrazide(4-armPEG-HZ)isamultiarmPEGderivativewithhydrazide(CONHNH2)groupsateachterminalofthefourarmsconnectedtoonepentaerythritolcore.4arm-PEG-hydrazidecanreactwithketoneoraldehydetoformacylhydrazonelinkers,whicharepHsensitiveandcanbeusedforreversIBLePEGylation.HydrazinePEGisalsousedtoPEGylatecarboxyl,carboxylicacidgroups.