Pyrazine is less basic than pyridine, pyridazine and pyrimidine. It is a "deliquescent crystal or wax-like solid with a pungent, sweet, corn-like, nutty odour".

Pyrazine, any of a class of organic compounds of the heterocyclic series characterized by a ring structure containing four atoms of carbon and two of nitrogen. The pyrazine ring is part of …

Nov 24, 2025 · The simple pyrazine molecule is rarely found in nature, but its derivatives are abundant. The variety in pyrazine aromas stems from the different chemical groups, such as …

Pyrazine is a diazine that is benzene in which the carbon atoms at positions 1 and 4 have been replaced by nitrogen atoms. It has a role as a Daphnia magna metabolite.

Pyrazine is less basic (pKa = 0.7) than pyridine (pKa = 5.2), pyrimidine (pKa = 1.3), or pyrimidine (pKa = 2.3). Studies have shown that pyrazine derivatives are best absorbed at intestinal pHs …

Aug 15, 2025 · Pyrazine is a synthetic green note that gives perfumes a crisp sweet snap reminiscent of fresh cut beans with a light floral edge. It shows up quickly in a blend sits near …

Pyrazine Formula: C 4 H 4 N 2 Molecular weight: 80.0880 IUPAC Standard InChI: InChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H Copy