SS-PEG-SS (PEG-bis-Succinimidyl Succinate), MW 1K is a homobifunctional cross-linking PEG reagent that reacts with amine groups. The coupling reaction between NHS and amines produces new stable amide bonds.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.