1) 货号: PSB-4045; 2) 中文品名: 4-臂 聚乙二醇-琥珀酰亚胺乙酸酯, 20k ; 3) 英文品名: 4-Arm PEG-SA, 20k ; 4) 生产商: PEGWorks; 5) 描述: 4-Arm PEG-SA is a multiarm PEG derivative with carboxylic acid groups at each terminal of the four arms connected to one pentaerythritol core. There is a C3 ester linkage between PEG and the succinic acid COOH group. PEG acid can be used to react with amine groups with peptide coupling reagents such as NHS and DCC, EDC.; 6) 规格: 1g 甄准免费