Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antidiabetic and antiviral agents. Its structure allows for functionalization at multiple sites, making it valuable in medicinal chemistry for building active pharmaceutical ingredients. It is also employed in agrochemical research for the design of novel pesticides due to its ability to enhance bioavailability and target specificity. Commonly utilized in cross-coupling reactions and nucleophilic substitutions to introduce the pyrazine moiety into larger bioactive molecules.