Ethyl 3-(cyanomethyl)picolinate is primarily used as an intermediate in the synthesis of various pharmaceutical compounds. Its structure allows it to serve as a building block in the production of active pharmaceutical ingredients (APIs), particularly those targeting neurological and metabolic disorders. The compound's functional groups make it valuable in organic synthesis, enabling the creation of complex molecules through reactions such as esterification and cyanation. Additionally, it finds application in the development of agrochemicals, where it contributes to the formulation of pesticides and herbicides. Researchers also utilize it in the study of chemical reactions and mechanisms, aiding in the advancement of synthetic methodologies.