4-Chloro-3-nitrobenzonitrile is primarily used as an intermediate in the synthesis of various agrochemicals and pharmaceuticals. Its structure makes it a valuable building block in the production of herbicides and pesticides, where it contributes to the development of compounds that target specific weeds or pests effectively. Additionally, it finds application in the preparation of dyes and pigments, where its nitro and cyano groups play a crucial role in imparting color and stability to the final product. In the pharmaceutical industry, it serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of molecules with potential therapeutic properties. Its versatility in organic synthesis makes it a key component in research and industrial processes.