Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of nicotinic acid derivatives with biological activity. It serves in the preparation of heterocyclic compounds that are important in medicinal chemistry, such as pyridine-based drug candidates. Its aldehyde and ester functional groups allow for versatile chemical transformations, including condensation and cyclization reactions, making it valuable in creating complex molecules for potential use in treating metabolic and inflammatory conditions. Also employed in research settings to develop new synthetic routes for bioactive molecules.