This chemical is primarily utilized in the field of organic synthesis and materials science. Its structure, featuring an azide group and a tosylate moiety, makes it a versatile reagent for click chemistry reactions, particularly the copper-catalyzed azide-alkyne cycloaddition (CuAAC). This reaction is widely employed for the efficient and selective formation of triazole linkages, which are valuable in polymer modification, bioconjugation, and the development of functional materials.

In bioconjugation, it is used to attach biomolecules, such as proteins or peptides, to other molecules or surfaces, enabling applications in drug delivery, diagnostics, and biosensors. In polymer chemistry, it serves as a crosslinking agent or functional group modifier, enhancing the properties of materials for coatings, adhesives, or hydrogels. Additionally, its azide group allows for further derivatization, making it a key intermediate in the synthesis of complex organic molecules.