Used as a key intermediate in the synthesis of pharmaceutical agents, particularly in the development of anti-inflammatory and antidiabetic compounds. Its structure allows for selective functionalization, making it valuable in constructing complex heterocyclic systems. Commonly employed in sulfonylation reactions to introduce sulfonamide groups, which are prevalent in bioactive molecules. Also utilized in agrochemical research for designing novel pesticides due to its electron-withdrawing trifluoromethyl and chlorosulfonyl groups that enhance stability and reactivity.