Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors for cancer treatment. It serves as a building block in medicinal chemistry due to its ability to undergo selective substitutions on the pyrimidine ring, enabling the creation of biologically active molecules. Commonly employed in the preparation of targeted therapies where modulation of cellular signaling pathways is required. Also utilized in agrochemical research for designing novel active ingredients with improved efficacy and selectivity.