This chemical is primarily utilized as a key intermediate in organic synthesis, particularly in the production of pharmaceuticals and bioactive compounds. Its sulfonyl chloride group makes it a valuable reagent for introducing sulfonamide functionalities into target molecules, which are often found in drugs with antibacterial, antiviral, or anti-inflammatory properties. Additionally, it is employed in the development of novel chemical entities for research purposes, aiding in the discovery of new therapeutic agents. Its unique structure also allows it to be used in the modification of peptides and proteins, enhancing their stability or activity in biological systems.