m-PEG-Succinimidyl Amido Succinate (mPEG-SAS), MW 1K is a PEG polymer with a methoxy group at one end and a succinic acid derivative at the other end. The coupling reaction between the succinimidyl group (NHS) and the amine (NH2) forms a stable amide bond.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
