Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of protease inhibitors and other bioactive molecules. Its sulfonyl fluoride group reacts selectively with nucleophiles, making it valuable in medicinal chemistry for covalent inhibitor design. Also employed in chemical biology for protein labeling and enzyme activity studies due to its ability to modify specific amino acid residues. Additionally, serves as a building block in agrochemicals and specialty materials where enhanced stability and lipophilicity are required.