Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2009-07-25 00:03:56 UTC |
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Update Date | 2022-03-07 02:51:27 UTC |
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HMDB ID | HMDB0012611 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 18R-HEPE |
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Description | 18R-HEPE belongs to the class of organic compounds known as hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds. Thus, 18R-hepe is considered to be an eicosanoid. Based on a literature review a significant number of articles have been published on 18R-HEPE. |
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Structure | CC[C@H](O)\C=C\C=C/C\C=C\C\C=C/C\C=C/CCCC(O)=O InChI=1S/C20H30O3/c1-2-19(21)17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20(22)23/h4-7,10-13,15,17,19,21H,2-3,8-9,14,16,18H2,1H3,(H,22,23)/b6-4-,7-5+,12-10-,13-11-,17-15+/t19-/m0/s1 |
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Synonyms | Value | Source |
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18(R)-Hydroxyeicosa-5Z,8Z,11E,14Z,16E-pentaenoate | HMDB | 18(R)-Hydroxyeicosa-5Z,8Z,11E,14Z,16E-pentaenoic acid | HMDB | 18-HEPE | HMDB |
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Chemical Formula | C20H30O3 |
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Average Molecular Weight | 318.4504 |
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Monoisotopic Molecular Weight | 318.219494826 |
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IUPAC Name | (5Z,8Z,11E,14Z,16E,18S)-18-hydroxyicosa-5,8,11,14,16-pentaenoic acid |
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Traditional Name | (5Z,8Z,11E,14Z,16E,18S)-18-hydroxyicosa-5,8,11,14,16-pentaenoic acid |
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CAS Registry Number | Not Available |
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SMILES | CC[C@H](O)\C=C\C=C/C\C=C\C\C=C/C\C=C/CCCC(O)=O |
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InChI Identifier | InChI=1S/C20H30O3/c1-2-19(21)17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20(22)23/h4-7,10-13,15,17,19,21H,2-3,8-9,14,16,18H2,1H3,(H,22,23)/b6-4-,7-5+,12-10-,13-11-,17-15+/t19-/m0/s1 |
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InChI Key | LRWYBGFSVUBWMO-NQZHIPPKSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds. |
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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 | Eicosanoids |
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Direct Parent | Hydroxyeicosapentaenoic acids |
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Alternative Parents | |
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Substituents | - Hydroxyeicosapentaenoic acid
- Long-chain fatty acid
- Hydroxy fatty acid
- Fatty acid
- Unsaturated fatty acid
- Secondary alcohol
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Organic oxide
- Organic oxygen compound
- Alcohol
- Hydrocarbon derivative
- Carbonyl group
- Organooxygen compound
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | |
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Role | |
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Physical Properties |
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State | Solid |
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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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18R-HEPE,1TMS,isomer #1 | CC[C@@H](/C=C/C=C\C/C=C/C/C=C\C/C=C\CCCC(=O)O)O[Si](C)(C)C | 2791.9 | Semi standard non polar | 33892256 | 18R-HEPE,1TMS,isomer #2 | CC[C@H](O)/C=C/C=C\C/C=C/C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C | 2669.5 | Semi standard non polar | 33892256 | 18R-HEPE,2TMS,isomer #1 | CC[C@@H](/C=C/C=C\C/C=C/C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 2730.5 | Semi standard non polar | 33892256 | 18R-HEPE,1TBDMS,isomer #1 | CC[C@@H](/C=C/C=C\C/C=C/C/C=C\C/C=C\CCCC(=O)O)O[Si](C)(C)C(C)(C)C | 3037.0 | Semi standard non polar | 33892256 | 18R-HEPE,1TBDMS,isomer #2 | CC[C@H](O)/C=C/C=C\C/C=C/C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C(C)(C)C | 2916.0 | Semi standard non polar | 33892256 | 18R-HEPE,2TBDMS,isomer #1 | CC[C@@H](/C=C/C=C\C/C=C/C/C=C\C/C=C\CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 3214.1 | 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 - 18R-HEPE GC-MS (Non-derivatized) - 70eV, Positive | splash10-0f6x-6292000000-c29b1e1c0254e0327a18 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 18R-HEPE GC-MS (2 TMS) - 70eV, Positive | splash10-00g1-9224300000-24d4fa79f8cba47eee85 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 18R-HEPE 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 - 18R-HEPE 10V, Positive-QTOF | splash10-0udi-0059000000-37e8d5e0a2b3f027af2e | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 20V, Positive-QTOF | splash10-0pir-1292000000-fe985e0055513c0581a7 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 40V, Positive-QTOF | splash10-0lxt-8890000000-a06f4fa01c49a7c5847b | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 10V, Negative-QTOF | splash10-014i-0059000000-8facefa2fa633323c577 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 20V, Negative-QTOF | splash10-00kb-1093000000-c454f7dea34532f16c59 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 40V, Negative-QTOF | splash10-0a4i-9030000000-272f1a04adc1325d8e6c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 10V, Negative-QTOF | splash10-014i-0029000000-531111af99f25018756b | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 20V, Negative-QTOF | splash10-014j-3093000000-9551d964c3223c3a2179 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 40V, Negative-QTOF | splash10-0abc-9050000000-47c6adcbc453c43e090a | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 10V, Positive-QTOF | splash10-0uxr-2459000000-3a28ba5ee79c7198f37a | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 20V, Positive-QTOF | splash10-0fsr-1931000000-afb440f274a3d0f8474f | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-HEPE 40V, Positive-QTOF | splash10-017l-9800000000-c3774ee66909620aad2f | 2021-09-23 | Wishart Lab | View Spectrum |
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