2-Chloro-5-cyanobenzoic acid is primarily used as an intermediate in the synthesis of various pharmaceutical compounds. Its structure, featuring both a chloro and a cyano group, makes it a versatile building block in organic chemistry. It is often employed in the production of active pharmaceutical ingredients (APIs) for drugs targeting inflammation, pain, and other medical conditions. Additionally, it serves as a precursor in the development of agrochemicals, particularly herbicides and pesticides, due to its ability to modify biological activity. Its applications also extend to the field of material science, where it is used in the synthesis of specialized polymers and dyes. The compound’s reactivity allows for further functionalization, making it valuable in research and industrial processes.