mPEG-Succinimidyl Propionate (mPEG-SPA), MW 550 is an amine-reactive NHS PEG product that reacts with primary amine groups under alkaline conditions. Similar to mPEG-SC, mPEG-SPA also has high activity and good stability in aqueous solution. Methoxy PEG succinimidyl propionate has a longer hydrolytic half-life compared to M-PEG-SCM.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
