Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of antiviral and antitumor agents. The pyrazine core, cyclohexyl substituent, and 6-chloro group enhance lipophilicity, cell membrane permeability, and reactivity, allowing for selective binding in biological systems. This makes it valuable in medicinal chemistry for designing drugs that target specific enzymes or receptors. Also employed in agrochemical research for developing new herbicides and plant growth regulators due to its stability and reactivity profile.