N-Methylmethanesulfonamide is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It plays a role in the development of active ingredients for drugs, including those targeting neurological disorders and infectious diseases. Additionally, it is utilized in the synthesis of specialty chemicals, where its sulfonamide group contributes to the stability and reactivity of the final compounds. In research, it serves as a building block for creating complex molecules with potential therapeutic applications. Its versatility in chemical reactions makes it valuable in industrial and academic settings for developing innovative compounds.