3-Amino-6-phenylpyrazine-2-carbonitrile is primarily utilized in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various biologically active compounds, particularly those targeting therapeutic areas such as oncology and infectious diseases. Its structure is often exploited to design and develop novel drug candidates due to its ability to interact with specific biological targets. Additionally, it finds application in the synthesis of heterocyclic compounds, which are widely studied for their potential in creating new materials with unique electronic or optical properties.