mPEG-Nitrophenyl Carbonate (mPEG-NPC), MW 1K is a linear methoxy PEG reagent with a nitrophenylcarbonate (NPC) terminus that can react with proteins/peptides or other amino molecules.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.