ProductDescription
4-ArmPEG-glutamicacid(4-armPEG-GA)isamultiarmPEGderivativewithcarboxylicacid聽groupsateachterminalofthe4聽armsconnectedtoonepentaerythritolcore.聽ThereisaC3聽hydrocarbonesterbetweenPEGandtheglutamic聽acidCOOHgroup.PEGacidcanbeusedtoreactwithaminegroupswithpeptidecouplingreagentssuchasNHSandDCC,EDC.


