Molecular properties
- Formula
- C18H34O2
- Molar mass
- 282.47 g·mol−1
- Exact mass
- 282.2559 Da
- 2
- PubChem CID
- 637517
Molecule record
(E)-octadec-9-enoic acid
C18H34O2
282.47 g/mol
Loading structure
Functional groups
Alkane / alkyl carbon
Alkene
Carboxylic acid
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- (9E)-Octadecenoic acid
- (E)-9-Octadecenoic acid
- (E)-Oleic acid
- 112-79-8
- 4837010H8C
- 9-Octadecenoic acid, (E)-
- 9-octadecaenoic Acid
- 9-octadecenoic acid, (9E)-
Show all 24 synonyms
- 9-trans-Octadecenoic acid
- CHEBI:27997
- D9-trans-Octadecenoic acid
- DTXSID8058619
- Elaidic acid
- Elaidinic acid
- Elaidinsaure
- Fatty Acid 18:1 n-9 trans
- NSC-26988
- RefChem:6424
- acide elaidique
- trans-9-Octadecenoic acid
- trans-D9-Octadecenoic acid
- trans-Elaidic acid
- trans-Octadec-9-enoic acid
- trans-Oleic acid
Structure identifiers
- Canonical SMILES
- CCCCCCCC/C=C/CCCCCCCC(=O)O
- Isomeric SMILES
- CCCCCCCC/C=C/CCCCCCCC(=O)O
- InChI
- InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9+
- InChIKey
- ZQPPMHVWECSIRJ-MDZDMXLPSA-N
- PubChem CID
- 637517
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 (E)-octadec-9-enoic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for (E)-octadec-9-enoic acid; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.