Ethyl 4,6-dichloroquinoline-3-carboxylate is primarily utilized in the pharmaceutical industry as a key intermediate in the synthesis of various biologically active compounds. It plays a significant role in the development of antimicrobial and antimalarial agents, leveraging its quinoline core structure, which is known for its therapeutic properties. Additionally, this compound is employed in organic synthesis to create complex molecules for research and drug discovery, particularly in the design of new drugs targeting infectious diseases. Its application extends to the preparation of heterocyclic compounds, which are essential in medicinal chemistry for their diverse pharmacological activities.