Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its bromoquinoline core enables selective functionalization, making it valuable in medicinal chemistry for constructing complex heterocyclic systems. Also employed in research settings to design fluorescent probes due to the inherent photophysical properties of the quinoline scaffold. Commonly utilized in cross-coupling reactions such as Suzuki or Heck reactions to generate diverse quinoline derivatives for biological screening.