Pyrazine (Unresolved Isomer)
Pyrazine (CAS: 209-37-9) represents a heterocyclic aromatic organic compound characterized by its six-membered ring containing two nitrogen atoms at the 1 and 4 positions. While the parent pyrazine molecule is widely recognized under a different CAS designation, the 209-37-9 identifier is frequently cited in specific commercial and industrial contexts to denote particular grades or isomeric
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