Used primarily as an intermediate in organic synthesis, this compound plays a crucial role in the production of various pharmaceuticals and agrochemicals. Its sulfonyl chloride group enables it to act as a key building block in the formation of sulfonamides, which are widely utilized in the development of antibacterial and antifungal agents. Additionally, it is employed in the creation of specialty chemicals, including dyes and polymers, where its reactive nature facilitates the introduction of sulfonyl groups into complex molecules. Its application in research and development also extends to the study of biochemical pathways and the design of novel therapeutic compounds.