Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors for cancer treatment. Its structure supports the design of compounds targeting tyrosine kinase receptors, which play a role in tumor growth and progression. Commonly employed in medicinal chemistry research to build quinazoline-based drug candidates with improved potency and selectivity. Also utilized in the preparation of antifungal and antibacterial agents due to its ability to interfere with microbial enzyme systems. Its reactivity allows for functionalization at multiple sites, making it valuable in generating compound libraries for high-throughput screening.