Used as a key intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It plays a crucial role in the development of compounds with potential therapeutic properties, such as anti-inflammatory, antimicrobial, and anticancer agents. Its sulfonyl chloride group enables it to act as a reactive site for forming sulfonamides, which are essential in drug design. Additionally, it is utilized in research for creating novel heterocyclic compounds, contributing to advancements in medicinal chemistry and material science.