2-Methylindoline-5-carbonitrile is primarily utilized in the synthesis of pharmaceuticals and organic compounds. It serves as a key intermediate in the production of various bioactive molecules, particularly in the development of drugs targeting neurological disorders. Its structure is often incorporated into compounds that exhibit potential as serotonin receptor modulators, which are crucial for treating conditions like depression and anxiety. Additionally, this chemical is employed in research for creating novel heterocyclic compounds, which are explored for their therapeutic properties in medicinal chemistry. Its nitrile group also makes it a valuable precursor in the synthesis of more complex organic molecules.