Widely used in organic synthesis, this compound serves as a key intermediate in the production of agrochemicals and pharmaceuticals. Its sulfonyl chloride group readily reacts with amines and alcohols, making it valuable for constructing sulfonamide and sulfonate ester derivatives. It is particularly useful in the development of herbicides and insecticides due to its ability to modify bioactive molecules. Additionally, it acts as a sulfonating agent in the preparation of dyes and functional materials. The presence of the chlorine and methyl groups allows for further functionalization through cross-coupling reactions, enhancing its utility in complex molecule synthesis.