2-Chloro-4-formylbenzoic acid is primarily utilized as a key intermediate in the synthesis of various organic compounds. It plays a significant role in the production of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) for therapeutic drugs. The compound is also employed in the preparation of agrochemicals, where it serves as a building block for pesticides and herbicides. Additionally, it finds use in the field of organic synthesis for creating complex molecules, including dyes and pigments, due to its reactive aldehyde and carboxylic acid functional groups. Its versatility makes it valuable in research and industrial applications for designing and manufacturing specialized chemical products.