Primarily used in organic synthesis, this compound acts as a key intermediate in the preparation of various sulfonamide derivatives. Its sulfonyl chloride group enables it to react with amines, alcohols, and other nucleophiles, making it valuable in the development of pharmaceuticals, agrochemicals, and specialty chemicals. In drug discovery, it is employed to create compounds with potential biological activity, such as enzyme inhibitors or receptor modulators. Additionally, it finds application in the synthesis of dyes, pigments, and polymers, where its reactivity contributes to the formation of complex structures. Its versatility in chemical reactions makes it a useful tool in research and industrial processes.