Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors and antiviral agents. Its halogenated pyrimidine structure allows for selective cross-coupling reactions, making it valuable in medicinal chemistry for building complex drug molecules. Commonly employed in the preparation of active pharmaceutical ingredients (APIs) where fluorinated and brominated heterocycles enhance metabolic stability and binding affinity. Also utilized in agrochemical research for designing novel pesticides with improved efficacy.