Used primarily as an intermediate in organic synthesis, this compound is valuable in the production of various pharmaceuticals and agrochemicals. It serves as a key building block for creating sulfonamide derivatives, which are widely utilized in drug development due to their biological activity. Additionally, it is employed in the synthesis of dyes and other specialty chemicals, where its reactive sulfonyl chloride group facilitates the introduction of sulfonamide functionalities into target molecules. Its application extends to research laboratories for the development of novel compounds with potential therapeutic or industrial uses.