Used primarily as an intermediate in organic synthesis, this compound is essential for producing various pharmaceuticals, agrochemicals, and dyes. Its reactive chlorosulfonyl and benzoyl chloride groups make it valuable for introducing sulfonyl and carbonyl functionalities into target molecules. In the pharmaceutical industry, it is employed in the synthesis of active ingredients and drug precursors. Additionally, it serves as a key reagent in the preparation of polymers and specialty chemicals, where its dual functionality allows for versatile chemical modifications. Its applications also extend to the development of advanced materials and coatings, leveraging its ability to form stable chemical bonds.