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 studying molecular interactions, mapping binding sites, and identifying unknown targets of bioactive compounds. The silyl-protected alcohol group allows for further chemical modifications, facilitating incorporation into larger molecules or probes. Commonly employed in probe synthesis for drug discovery and proteomics.