SAS-PEG-SAS (PEG-bis-Succinimidyl Amido Succinate), MW 1K is a homobifunctional cross-linking PEG reagent that reacts with amine groups, which can react with amine nucleophiles to form stable amide bonds.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.