1) 货号: ZZR-P-HB-997;  2) 英文品名: OPSS-PEG-NHS, 5k ;  3) 中文品名: OPSS-聚乙二醇-酰胺-丙酸琥珀酰亚胺酯, 5k ;  4) 规格: 100mg/1g/5g;  5) 描述: OPSS-PEG-NHS is a linear heterobifunctional PEG reagent with an OPSS and a NHS ester. It is a useful crosslinking reagent with a PEG spacer. OPSS stands for ortho-pyridyl disulfide or ortho pyridyldithio and reacts with thiol, SH, sulfhydryl or mercapto to form a S-S bond. OPSS is sometimes called PDP, pyridyl dithio propionate. NHS ester is an activated carboxylic acid and can react with amine.  甄准免费电话 400-002-3832