Used as a key intermediate in the synthesis of quinoline-based pharmaceuticals, particularly in antimalarial and anticancer agents. Its structure supports the development of kinase inhibitors due to the electron-withdrawing trifluoromethyl and chloro groups enhancing binding affinity. Also employed in agrochemicals for crop protection, where its stability and reactivity improve active ingredient performance. Common in research for developing fluorescent probes, leveraging the quinoline core’s photophysical properties.