Used as an intermediate in the synthesis of quinoline-based pharmaceuticals, particularly in the development of antimalarial and antibacterial agents. Its iodinated structure makes it valuable for coupling reactions in medicinal chemistry, especially in the preparation of kinase inhibitors and fluorescent probes. Also employed in research for developing metal-organic frameworks due to its chelating properties. Commonly utilized in organic synthesis where the ethyl ester and hydroxyl groups allow for further functionalization.