mPEG-Succinimidyl Propionate (mPEG-SPA), MW 1K is an amine PEGylation reagent with a stable non-degradable linker ester between the PEG polymer chain and the NHS. mPEG-SPA is the key PEG material for PEGylated drugs, used in PEG-uricase, Puricase, Pegloticase and their biosimilars.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
