Molecular properties
- Formula
- C8H6N2O
- Molar mass
- 146.15 g·mol−1
- Exact mass
- 146.0480 Da
- 7
- PubChem CID
- 14526
Molecule record
1H-quinoxalin-2-one
C8H6N2O
146.15 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
- 1,2-Dihydroquinoxalin-2-one
- 1196-57-2
- 144499-26-3
- 2(1H)-Quinoxalinone
- 2-Hydroxyquinoxaline
- 2-QUINOXALINOL
- 2-Quinoxalinol(9CI)
- 2-Quinoxalinone
Show all 24 synonyms
- 2-Quinoxalone
- 214-815-6
- 3-Quinoxalinone
- CHEBI:38890
- DTXCID8033512
- DTXSID6061604
- EINECS 214-815-6
- MFCD00006722
- NSC 13154
- Quinalphos free hydroxy
- Quinoxalin-2(1H)-one
- Quinoxalin-2-one
- Quinoxaline-2-one
- RefChem:473523
- quinoxalin-2-ol
- quinoxalinone
Structure identifiers
- Canonical SMILES
- O=c1cnc2ccccc2[nH]1
- Isomeric SMILES
- C1=CC=C2C(=C1)NC(=O)C=N2
- InChI
- InChI=1S/C8H6N2O/c11-8-5-9-6-3-1-2-4-7(6)10-8/h1-5H,(H,10,11)
- InChIKey
- FFRYUAVNPBUEIC-UHFFFAOYSA-N
- PubChem CID
- 14526
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 1H-quinoxalin-2-one; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 1H-quinoxalin-2-one; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.