6-Aminoquinazoline is widely utilized in the pharmaceutical industry as a key intermediate in the synthesis of various biologically active compounds. Its structure serves as a foundational scaffold for developing kinase inhibitors, which are crucial in targeted cancer therapies. Additionally, it is employed in the creation of antimicrobial and anti-inflammatory agents, contributing to the treatment of infections and inflammatory diseases. In research, 6-aminoquinazoline derivatives are explored for their potential in modulating enzyme activity and cellular signaling pathways, making it a valuable compound in drug discovery and development.