Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals, this compound plays a key role in the production of sulfonamide derivatives. Its reactive sulfonyl chloride group enables it to form sulfonamides, which are essential in developing drugs with antibacterial, antifungal, or anti-inflammatory properties. Additionally, it is utilized in the creation of herbicides and pesticides, contributing to crop protection and agricultural productivity. Its versatility in organic synthesis makes it valuable for constructing complex molecules in research and industrial applications.