Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antiviral and anticancer agents. Its structure allows for selective functionalization, making it valuable in constructing pyrimidine-based drug candidates. Commonly employed in cross-coupling reactions to introduce the pyrimidine core into larger bioactive molecules. Also utilized in agrochemical research for the design of novel pesticides and herbicides due to its electron-deficient ring system that enhances binding to biological targets.