Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antihypertensive and antiviral agents. Its structure allows for selective functionalization, making it valuable in medicinal chemistry for building pyrazine-based drug candidates. Commonly employed in coupling reactions and nucleophilic substitutions to introduce the pyrazine ring into larger bioactive molecules. Also utilized in agrochemical research for designing novel pesticides due to its stability and reactivity profile.