Used primarily as an intermediate in organic synthesis, especially in the pharmaceutical industry. It serves as a sulfonylating agent to introduce the 2-(2-fluorophenyl)ethylsulfonyl group into target molecules, enhancing their metabolic stability or altering their lipophilicity. Commonly employed in the development of bioactive compounds, including potential drug candidates targeting central nervous system disorders and inflammatory conditions. Its fluorinated aromatic structure contributes to improved binding affinity in certain receptor interactions. Also utilized in the preparation of sulfonamide derivatives, which are key motifs in many therapeutic agents.