8-Arm PEG-NH2 HCL (MW 20000)

8-Arm PEG-NH2 (MW 20000) (8-Arm PEG-Amine (MW 20000) ) HCL is a multi-arm PEG derivative featuring an amine group at the end of each of its eight arms. The reactive primary amine or NH2 groups can rapidly form stable amide bonds by reacting with activated carboxylic acids, such as NHS esters.