Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors and other bioactive molecules. Its structure allows for selective modification in drug design, making it valuable in medicinal chemistry research. Commonly employed in the preparation of heterocyclic compounds where the pyrazine ring contributes to binding affinity and metabolic stability. Also utilized in agrochemical research for the development of novel pesticides and herbicides due to its reactivity and functional group compatibility.