7-Bromoquinoline-3-carboxylic acid is primarily used as a key intermediate in organic synthesis, particularly in the development of pharmaceuticals and bioactive compounds. Its structure makes it valuable for constructing complex molecules, especially in the synthesis of quinoline-based drugs. It is often employed in the production of antimalarial and anticancer agents due to its ability to interact with biological targets. Additionally, it serves as a building block in the creation of ligands for metal coordination chemistry, which are useful in catalysis and material science. Its bromine substituent allows for further functionalization, enabling the design of diverse chemical entities for research and industrial applications.