This chemical is widely used in bioconjugation and click chemistry applications. It serves as a linker or spacer molecule in the modification of biomolecules, such as proteins, peptides, and antibodies, to enhance their solubility, stability, or targeting capabilities. It is particularly valuable in the development of drug delivery systems, where it helps attach therapeutic agents to carriers or targeting moieties. Additionally, it is employed in the synthesis of hydrogels and polymers for biomedical applications, including tissue engineering and controlled drug release. Its azide group enables efficient and selective reactions with alkyne-functionalized compounds, making it a key component in advanced chemical and biological research.