2,3,5,6-Tetrafluorobenzonitrile is widely used as a key intermediate in the synthesis of various pharmaceuticals and agrochemicals. Its unique fluorinated structure makes it valuable in the development of active ingredients for herbicides, insecticides, and fungicides, where it enhances stability and efficacy. Additionally, it serves as a building block in the production of advanced materials, including liquid crystals and polymers, due to its ability to impart desirable properties such as thermal stability and chemical resistance. In organic chemistry, it is also employed in cross-coupling reactions to create complex molecules for research and industrial applications.