Catalog No. : PSB-458
Product Name : 4-Arm PEG-OPSS, MW 10k
Description :

4-Arm PEG-OPSS is a multiarm PEG derivative with OPSS groups at each terminal of the four arms connected to one pentaerythritol core. OPSS, orthopyridyl disulfide is also called 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 disulfide bond.

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