Molecular properties
- Formula
- C9H6O2
- Molar mass
- 146.14 g·mol−1
- Exact mass
- 146.0368 Da
- 7
- PubChem CID
- 323
Molecule record
chromen-2-one
C9H6O2
146.14 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-Benzopyrone
- 2-Oxo-1,2-benzopyran
- 2H-1-Benzopyran, 2-oxo-
- 2H-1-Benzopyran-2-one
- 2H-Benzo(b)pyran-2-one
- 2H-Chromen-2-one
- 5,6-Benzo-2-pyrone
- 5,6-Benzo-alpha-pyrone
Show all 24 synonyms
- 91-64-5
- Benzo-a-pyrone
- Benzo-alpha-pyrone
- Coumarine
- Coumarinic anhydride
- Coumarinic lactone
- Kumarin
- Rattex
- Tonka bean camphor
- cis-o-Coumarinic acid lactone
- coumarin
- cumarin
- o-Coumaric acid lactone
- o-Hydroxycinnamic acid lactone
- o-Hydroxycinnamic lactone
- o-Hydroxyzimtsaure-lacton
Structure identifiers
- Canonical SMILES
- O=c1ccc2ccccc2o1
- Isomeric SMILES
- C1=CC=C2C(=C1)C=CC(=O)O2
- InChI
- InChI=1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H
- InChIKey
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
- PubChem CID
- 323
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 chromen-2-one; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for chromen-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.