Synonym(s): Pyrazine-1-oxide Empirical Formula: C₄H₄N₂O Linear Formula: C₄H₄N₂O Formula Weight: 96.09 MDL Number: MFCD00190582 Purity: 97% Melting Point: 112-116 °C

Empirical Formula: C₄D₄N₂ Linear Formula: C₄D₄N₂ Formula Weight: 84.11 MDL Number: MFCD00075192 Boiling Point: 116 °C(lit.) Melting Point: 55-57 °C(lit.)