Used primarily in organic synthesis as an intermediate for the production of pharmaceutical compounds and agrochemicals. It is particularly valuable in the development of alkylating agents, which are crucial in the synthesis of various therapeutic drugs, including anticancer agents. The compound's reactive chloroethyl group makes it suitable for introducing the methanesulfonamide moiety into more complex molecules, enhancing their biological activity. Additionally, it finds application in research settings for studying chemical reactions involving sulfonamide derivatives, contributing to advancements in medicinal chemistry and drug design.