Used as a key intermediate in the synthesis of various heterocyclic compounds, particularly in the development of pharmaceuticals with antimicrobial, antifungal, and antitumor activities. It serves as a building block for fused ring systems like thiazoles and thiadiazolines, which are common scaffolds in medicinal chemistry. Also employed in the preparation of fluorescent dyes and optoelectronic materials due to its conjugated structure and ability to form Schiff bases. Its aldehyde and amino groups allow for easy functionalization, making it valuable in combinatorial chemistry and drug discovery research.