Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its sulfonyl chloride group readily reacts with amines to form sulfonamides, which are key structural motifs in many biologically active compounds. Commonly employed in the development of herbicides and fungicides due to the stability and bioavailability imparted by the methoxy and methyl substituents. Also utilized in research settings for the preparation of sulfonate esters and as a derivatizing agent in analytical chemistry.