This chemical is widely used in bioconjugation and click chemistry applications. It serves as a linker molecule, enabling the attachment of biomolecules, such as peptides or proteins, to other entities like polymers or surfaces. Its Boc (tert-butoxycarbonyl) group provides protection for amines during synthesis, while the azide group allows for efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions. The PEG (polyethylene glycol) spacer enhances solubility and reduces steric hindrance, making it ideal for creating biocompatible conjugates. It is particularly valuable in drug delivery systems, surface functionalization, and the development of bioactive materials.