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.

Additional information

Molecular weight

1000, 2000, 3500, 5000, 10K, 20K

Package size

1g, 5 g, 10g