Used primarily as an intermediate in organic synthesis, especially in the development of pharmaceuticals and agrochemicals. Its structure allows for selective functionalization, making it valuable in constructing complex quinoline-based compounds. It is employed in cross-coupling reactions, such as Suzuki or Buchwald-Hartwig, to introduce aryl or amino groups, useful in drug discovery. Also explored in the synthesis of kinase inhibitors and antimicrobial agents due to the bioactive nature of quinoline derivatives. Its nitro and bromo groups provide sites for further chemical modification, enabling tailored molecular design in medicinal chemistry.