Used in bioconjugation and click chemistry applications, it serves as a linker for attaching molecules to biomolecules like proteins, peptides, or nucleic acids. Its azide group enables efficient coupling with alkyne-functionalized compounds via the copper-catalyzed azide-alkyne cycloaddition (CuAAC) reaction. This makes it valuable in drug delivery systems, where it helps create targeted therapeutics by conjugating drugs to carriers like antibodies or nanoparticles. It is also employed in polymer chemistry to modify surfaces or create functionalized materials for biomedical research. Additionally, it is utilized in the development of diagnostic tools and imaging agents, enabling precise labeling and detection of biological targets.