Methoxy PEG Succinimidyl Carboxymethyl Ester (mPEG-SCM), MW 3K is a linear PEG polymer, which is linked to the free amino group of the active drug, and the glycine bond produced by coupling is more stable than the ester bond.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
