Used as an intermediate in the synthesis of antimalarial drugs, particularly in the development of quinoline-based pharmaceuticals. It serves as a building block for modifying the quinoline core to enhance biological activity against Plasmodium species. Also employed in the preparation of fluorescent probes due to its aldehyde functional group, which allows for easy conjugation with amines and hydrazines. Its derivatives are investigated for antimicrobial, anticancer, and anti-inflammatory properties in medicinal chemistry research.