Primarily used in organic synthesis, 2-(N-methylphenylsulfonamido)acetic acid serves as a key intermediate in the production of various pharmaceutical compounds. Its sulfonamide group makes it valuable in the development of drugs with antibacterial or anti-inflammatory properties. Additionally, it is utilized in the synthesis of specialty chemicals, including agrochemicals and dyes, due to its ability to act as a versatile building block in complex reactions. In research, it is often employed to study sulfonamide derivatives for potential therapeutic applications.