Used primarily as a photoaffinity labeling agent in biochemical and medicinal research. Its diazirine ring generates highly reactive carbenes upon exposure to UV light, enabling covalent binding to nearby biomolecules such as proteins or nucleic acids. This property makes it valuable for mapping molecular interactions, identifying drug targets, and studying receptor-ligand binding sites. The bromomethyl group allows for further functionalization or attachment to other molecules, enhancing its utility in probe design. The trifluoromethyl group improves stability and can influence binding affinity. Commonly employed in the development of chemical biology tools and in the study of protein-protein interactions.