2-[2-(2-Azidoethoxy)ethoxy]acetic acid

PEG-based intermediate for conjugation

2-[2-(2-Azidoethoxy)ethoxy]acetic acid is a chemical compound featuring an azide group and a carboxylic acid moiety linked by a short polyethylene glycol chain. It is primarily used as a PEGylation linker for bioconjugation, enabling the attachment of biomolecules to polyethylene glycol chains in research settings.