Product Description
OPSS-PEG-OPSS is a bifunctional PEGylation reagent, also called PDP-PEG-PDP, PDP: 3-(2-pyridyldithio) propionic acid. The orthopyridyl disulfide or pyridyldithio functional group selectively reacts with free thiol, SH, sulfhydryl or mercapto to form a oxidation, reduction reversible PEG disulfide bond.
