Ethyl 3,4-dichlorobenzoate is primarily used as an intermediate in the synthesis of various organic compounds. It plays a significant role in the production of agrochemicals, particularly in the development of herbicides and pesticides. Its structure allows it to act as a building block for creating more complex molecules that target specific pests or weeds, enhancing crop protection. Additionally, it is utilized in pharmaceutical research for the synthesis of potential drug candidates, especially in the development of compounds with antimicrobial or antifungal properties. Its versatility in organic synthesis makes it valuable in both industrial and laboratory settings.