N3-PEG-NH2 (MW 5000)

N3-PEG-NH2 (MW 5000) (Azide-PEG-Amine (MW 5000) ) is a heterobifunctional PEG product featuring azide and amine groups at the ends of the PEG chain. This compound serves as a crucial crosslinking agent with a PEG chain. The azide allows for molecular conjugation through chemical reactions, while the amine can react with carboxylic acids or NHS esters.