Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors for cancer treatment. It serves as a building block in medicinal chemistry due to its ability to form complex heterocyclic structures. Its aldehyde functional group allows for easy modification through reactions such as condensation, reduction, or nucleophilic addition, enabling the creation of diverse compound libraries for drug discovery. Also employed in the preparation of agrochemicals and functional materials where nitrogen-containing heterocycles are required.