ProductDescription
4-ArmPEG-OHisamulti-armpolyethyleneglycolwithhydroxylgroupsateachterminalofthefourarms.Pentaerythritolcoreisusedin4armPEGrawmaterialsandderivatives.Theindicatedmolecularweightofthemulti-armPEGisthesumofthemolecularweightsofallthearms.


