Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. Its aldehyde and ester functional groups allow for versatile chemical modifications, enabling the construction of complex drug-like molecules. Commonly employed in medicinal chemistry research to build pyridine-based scaffolds with biological activity. Also utilized in the preparation of fluorescent probes due to its conjugated aromatic system, which can be tailored for specific detection applications in biochemical assays.