Used as a key intermediate in the synthesis of fluorinated quinoline derivatives, which are important in pharmaceutical development, particularly in the creation of antimalarial and anticancer agents. Its aldehyde functional group allows for easy modification, enabling the formation of Schiff bases, imines, and other derivatives useful in medicinal chemistry. Also employed in the preparation of fluorescent probes and dyes due to the inherent photophysical properties of the quinoline scaffold. Its fluorine atom enhances bioavailability and metabolic stability in drug candidates, making it valuable in optimizing lead compounds during drug discovery.