Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors for cancer treatment. It serves as a building block in the preparation of active pharmaceutical ingredients (APIs) due to its ability to undergo selective substitutions on the pyrimidine ring. Commonly employed in research and development of antitumor agents and anti-inflammatory drugs. Also utilized in agrochemicals for the design of novel pesticides and herbicides owing to its stable aromatic structure and reactivity profile.