Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2014-04-11 22:16:49 UTC |
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Update Date | 2021-09-14 14:57:35 UTC |
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HMDB ID | HMDB0061650 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 9,10-Epoxyoctadecanoic acid |
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Description | 9,10-Epoxyoctadecanoic acid (CAS: 3233-92-9), also known as 9,10-epoxystearate, belongs to the class of organic compounds known as linoleic acids and derivatives. These are derivatives of linoleic acid. Linoleic acid is a polyunsaturated omega-6 18 carbon long fatty acid, with two CC double bonds at the 9- and 12-positions. 9,10-Epoxyoctadecanoic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. 9,10-Epoxyoctadecanoic acid is an epoxy fatty acid. Epoxy fatty acids bear an oxirane ring that shares a CC-bond with the aliphatic chain. The cis-9,10-epoxyoctadecanoic acid has been found in liver microsomes and is believed to originate from CYP-catalyzed epoxidation of oleic acid. |
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Structure | [H][C@@]1(CCCCCCCCO)O[C@]1([H])CCCCCCCC(O)=O InChI=1S/C18H34O4/c19-15-11-7-2-1-4-8-12-16-17(22-16)13-9-5-3-6-10-14-18(20)21/h16-17,19H,1-15H2,(H,20,21)/t16-,17+/m0/s1 |
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Synonyms | Value | Source |
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(9R,10S)-18-Hydroxy-9,10-epoxystearic acid | ChEBI | 18-Hydroxy-(9R,10S)-9,10-epoxystearic acid | ChEBI | 18-Hydroxy-(9R,10S)-epoxy-octadecanoic acid | ChEBI | (9R,10S)-18-Hydroxy-9,10-epoxystearate | Generator | 18-Hydroxy-(9R,10S)-9,10-epoxystearate | Generator | 18-Hydroxy-(9R,10S)-epoxy-octadecanoate | Generator | 9,10-Epoxyoctadecanoate | Generator | (9R,10S)-9,10-Epoxy-18-hydroxyoctadecanoate | HMDB | 18-Hydroxy-9,10-epoxyoctadecanoic acid | HMDB | 18-Hydroxy-9,10-epoxystearic acid | HMDB | 3-(8-Hydroxyoctyl)-2-oxiraneoctanoic acid | HMDB | 9,10-Epoxy-18-hydroxyoctadecanoic acid | HMDB | 9,10-Epoxy-18-hydroxystearate | HMDB | 9R,10S-Epoxy-18-hydroxystearate | HMDB | Omega-hydroxy-9,10-epoxystearic acid | HMDB | Ω-hydroxy-9,10-epoxystearic acid | HMDB | 9,10-Epoxyoctadecanoic acid | HMDB |
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Chemical Formula | C18H34O4 |
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Average Molecular Weight | 314.466 |
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Monoisotopic Molecular Weight | 314.245709575 |
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IUPAC Name | 8-[(2R,3S)-3-(8-hydroxyoctyl)oxiran-2-yl]octanoic acid |
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Traditional Name | 8-[(2R,3S)-3-(8-hydroxyoctyl)oxiran-2-yl]octanoic acid |
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CAS Registry Number | 154966-80-0 |
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SMILES | OCCCCCCCC[C@@H]1O[C@@H]1CCCCCCCC(O)=O |
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InChI Identifier | InChI=1S/C18H34O4/c19-15-11-7-2-1-4-8-12-16-17(22-16)13-9-5-3-6-10-14-18(20)21/h16-17,19H,1-15H2,(H,20,21)/t16-,17+/m0/s1 |
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InChI Key | ITTPZDMHCNGAGQ-DLBZAZTESA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Fatty Acyls |
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Sub Class | Fatty acids and conjugates |
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Direct Parent | Medium-chain fatty acids |
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Alternative Parents | |
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Substituents | - Medium-chain fatty acid
- Epoxy fatty acid
- Heterocyclic fatty acid
- Hydroxy fatty acid
- Carboxylic acid derivative
- Carboxylic acid
- Dialkyl ether
- Oxirane
- Ether
- Monocarboxylic acid or derivatives
- Oxacycle
- Organoheterocyclic compound
- Organic oxide
- Hydrocarbon derivative
- Carbonyl group
- Organooxygen compound
- Primary alcohol
- Alcohol
- Organic oxygen compound
- Aliphatic heteromonocyclic compound
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Molecular Framework | Aliphatic heteromonocyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Not Available |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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9,10-Epoxyoctadecanoic acid,1TMS,isomer #1 | C[Si](C)(C)OCCCCCCCC[C@@H]1O[C@@H]1CCCCCCCC(=O)O | 2641.1 | Semi standard non polar | 33892256 | 9,10-Epoxyoctadecanoic acid,1TMS,isomer #2 | C[Si](C)(C)OC(=O)CCCCCCC[C@H]1O[C@H]1CCCCCCCCO | 2589.4 | Semi standard non polar | 33892256 | 9,10-Epoxyoctadecanoic acid,2TMS,isomer #1 | C[Si](C)(C)OCCCCCCCC[C@@H]1O[C@@H]1CCCCCCCC(=O)O[Si](C)(C)C | 2683.0 | Semi standard non polar | 33892256 | 9,10-Epoxyoctadecanoic acid,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OCCCCCCCC[C@@H]1O[C@@H]1CCCCCCCC(=O)O | 2900.7 | Semi standard non polar | 33892256 | 9,10-Epoxyoctadecanoic acid,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)CCCCCCC[C@H]1O[C@H]1CCCCCCCCO | 2854.9 | Semi standard non polar | 33892256 | 9,10-Epoxyoctadecanoic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OCCCCCCCC[C@@H]1O[C@@H]1CCCCCCCC(=O)O[Si](C)(C)C(C)(C)C | 3193.7 | Semi standard non polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - 9,10-Epoxyoctadecanoic acid GC-MS (1 TMS) - 70eV, Positive | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 9,10-Epoxyoctadecanoic acid GC-MS (1 TMS) - 70eV, Positive | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 9,10-Epoxyoctadecanoic acid GC-MS (2 TMS) - 70eV, Positive | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 9,10-Epoxyoctadecanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 10V, Positive-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 20V, Positive-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 40V, Positive-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 10V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 20V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 40V, Negative-QTOF | Not Available | 2020-06-30 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 10V, Negative-QTOF | splash10-03di-0029000000-c9984dbae9e0dc9dc39d | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 20V, Negative-QTOF | splash10-03di-1169000000-47e7f6fa97d4b5b972c2 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 40V, Negative-QTOF | splash10-03fu-6795000000-287ce7e76cbebaa25efd | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 10V, Positive-QTOF | splash10-002b-1191000000-0c89eebc496d9082fe21 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 20V, Positive-QTOF | splash10-00os-8892000000-5898ae59b9d69139cfa7 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9,10-Epoxyoctadecanoic acid 40V, Positive-QTOF | splash10-0aos-9400000000-c266cb2d66410ceb45b7 | 2021-09-23 | Wishart Lab | View Spectrum |
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General References | - Tsikas D, Sawa M, Brunner G, Gutzki FM, Meyer HH, Frolich JC: Gas chromatography-mass spectrometry of cis-9,10-epoxyoctadecanoic acid (cis-EODA). I. Direct evidence for cis-EODA formation from oleic acid oxidation by liver microsomes and isolated hepatocytes. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Feb 5;784(2):351-65. [PubMed:12505783 ]
- Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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