4-Fluorocinnamonitrile is primarily utilized in organic synthesis as a versatile intermediate for the preparation of various fluorinated compounds. Its application is significant in pharmaceutical research, where it serves as a building block for developing biologically active molecules, particularly those targeting neurological disorders and cancer. The compound’s fluorinated aromatic structure makes it valuable in the design of drugs with enhanced metabolic stability and bioavailability. Additionally, it is used in agrochemical research to create fluorinated pesticides and herbicides, leveraging its ability to improve the efficacy and selectivity of these products. In material science, 4-Fluorocinnamonitrile contributes to the synthesis of advanced polymers and coatings, where its fluorinated group imparts desirable properties such as chemical resistance and durability.