Molecular properties
- Formula
- C4H4N2
- Molar mass
- 80.09 g·mol−1
- Exact mass
- 80.0374 Da
- 4
- PubChem CID
- 9261
Molecule record
pyrazine
C4H4N2
80.09 g/mol
Loading structure
Functional groups
Aromatic ring
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- 1,4-Diazabenzene
- 1,4-Diazabenzene; 1,4-Diazine; Paradiazine; Piazine; p-Diazine
- 1,4-Diazin
- 1,4-Diazine
- 206-027-6
- 290-37-9
- 2JKE371789
- CCRIS 1331
Show all 24 synonyms
- CHEBI:30953
- CHEMBL15797
- DTXSID8049410
- EINECS 206-027-6
- FEMA NO. 4015
- MFCD00006122
- NSC-400221
- Paradiazine
- Piazine
- Pyrazines
- RefChem:1113271
- UNII-2JKE371789
- p-Diazine
- pyrazin
- pyrazine phase III
- pyrazine phase IV
Structure identifiers
- Canonical SMILES
- c1cnccn1
- Isomeric SMILES
- C1=CN=CC=N1
- InChI
- InChI=1S/C4H4N2/c1-2-6-4-3-5-1/h1-4H
- InChIKey
- KYQCOXFCLRTKLS-UHFFFAOYSA-N
- PubChem CID
- 9261
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for pyrazine; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for pyrazine; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.