This compound is primarily utilized in bioconjugation and click chemistry applications due to its azide functional group, which enables efficient and selective reactions with alkyne-containing molecules. It is commonly employed in the development of drug delivery systems, where it facilitates the attachment of therapeutic agents to targeting molecules or carriers. Additionally, it is used in the modification of biomolecules, such as proteins and peptides, to enhance their stability, solubility, or functionality. Its PEG linker provides improved biocompatibility and reduces immunogenicity, making it suitable for in vivo applications. This chemical is also instrumental in the synthesis of hydrogels and other biomaterials for tissue engineering and regenerative medicine.