Used primarily as a key intermediate in the synthesis of pharmaceuticals and biologically active compounds. Its aldehyde functionality and heterocyclic structure make it valuable in constructing complex molecules, especially in drug discovery. Commonly employed in the development of cardiovascular agents and central nervous system drugs due to its ability to participate in ring-forming reactions and functional group transformations. Also utilized in agrochemical research for designing novel pesticides and herbicides. Its reactivity allows for easy modification, enabling the creation of diverse compound libraries for screening in medicinal chemistry.