N-Methylsaccharin is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. It plays a crucial role in the development of specific drugs, particularly those targeting metabolic disorders or acting as enzyme inhibitors. Additionally, it is utilized in research and development for creating new chemical entities with potential therapeutic applications. In the agrochemical industry, it serves as a building block for formulating pesticides or herbicides, contributing to crop protection and yield improvement. Its stability and reactivity make it a valuable component in organic synthesis for producing specialized compounds.