Used primarily as an intermediate in organic synthesis, this chemical plays a key role in the production of pharmaceuticals and agrochemicals. Its reactive chlorosulfonyl and nitro groups make it valuable for introducing sulfonamide functionalities into target molecules, which are essential in the development of various drugs, including antibiotics and anti-inflammatory agents. Additionally, it is employed in the synthesis of dyes and pigments due to its ability to form stable, colored compounds. Its application in research and industrial processes highlights its importance in creating complex chemical structures with specific desired properties.