1) 货号: PSB-459; 2) 中文品名: 4-臂 聚乙二醇-邻二硫吡啶, 20k ; 3) 英文品名: 4-Arm PEG-OPSS, 20k ; 4) 生产商: PEGWorks; 5) 描述: 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.; 6) 规格: 1g 甄准免费