Product Description
4-Arm PEG-amino succinic acid (4-arm PEG-SAA) is a multiarm PEG derivative with carboxylic acid groups at each terminal of the eight arms connected to one pentaerythritol core. There is a C2 amide linkage between PEG and the succinamide acid COOH group. PEG acid can be used to react with amine groups with peptide coupling reagents such as NHS and DCC, EDC.
