Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of nicotinic receptor modulators and other bioactive compounds. Its aldehyde and ester functional groups allow for versatile chemical transformations, such as condensation and cyclization reactions, making it valuable in constructing nitrogen-containing heterocycles. Commonly employed in medicinal chemistry for building pyridine-based drug candidates with potential applications in neurology and oncology. Also utilized in agrochemical research for designing novel pesticides and herbicides due to its ability to enhance molecular complexity in active ingredients.