Used primarily as a photoaffinity labeling agent in biochemical and pharmacological research. Its diazirine group generates highly reactive carbenes upon exposure to light, enabling covalent binding to nearby biomolecules such as proteins or nucleic acids. This property makes it valuable for studying drug-target interactions, mapping binding sites, and identifying unknown receptors in complex biological systems. The trifluoromethyl and methoxyphenyl groups enhance lipophilicity and stability, improving cell membrane permeability and experimental efficiency. Commonly incorporated into probe molecules to trace biological pathways or confirm target engagement in live cells or tissue samples.