6-Methoxyindole-3-acetonitrile is primarily used in organic synthesis as a key intermediate for the production of various biologically active compounds. It serves as a building block in the synthesis of indole derivatives, which are important in the development of pharmaceuticals, particularly those targeting neurological and psychiatric disorders. Additionally, it is utilized in the creation of agrochemicals, where it contributes to the development of plant growth regulators and pesticides. Its role in research and development is significant, enabling the exploration of new compounds with potential therapeutic or agricultural applications.