Product use of pyrazine

Used as pharmaceutical intermediate, essence, fragrance intermediate.Hexahydropyrazine (or piperazine) citrate is a commonly used insect repellent for livestock and is particularly effective against roundworms. 2, 5-diketopiperazine is a reagent for the preparation of peptide compounds. Dibenzopyrazine is an important dye. In addition, pyrazine is often used to construct crystalline materials as neutral ligands of heterocyclic nitrogen-containing compounds.