Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2017-03-16 03:34:05 UTC |
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Update Date | 2022-03-07 03:17:50 UTC |
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HMDB ID | HMDB0062222 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid |
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Description | 18(R)-HEPE, also known as 18-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, 18(R)-hepe is considered to be an eicosanoid lipid molecule. 18(R)-HEPE is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. |
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Structure | [H]\C(CCCC(O)=O)=C(/[H])C\C([H])=C(\[H])C\C([H])=C(\[H])C\C([H])=C(\[H])/C(/[H])=C(\[H])[C@]([H])(O)CC 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-/m1/s1 |
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Synonyms | Value | Source |
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(5Z,8Z,11Z,14Z,16E,18R)-18-Hydroxyicosapentaenoic acid | ChEBI | 18(R)-Hydroxyeicosa-5Z,8Z,11E,14Z,16E-pentaenoic acid | ChEBI | 18-HEPE | ChEBI | 18R-HEPE | ChEBI | 18R-Hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid | ChEBI | (5Z,8Z,11Z,14Z,16E,18R)-18-Hydroxyicosapentaenoate | Generator | 18(R)-Hydroxyeicosa-5Z,8Z,11E,14Z,16E-pentaenoate | Generator | 18R-Hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoate | Generator |
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Chemical Formula | C20H30O3 |
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Average Molecular Weight | 318.457 |
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Monoisotopic Molecular Weight | 318.219494826 |
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IUPAC Name | (5Z,8Z,11Z,14Z,16E,18R)-18-hydroxyicosa-5,8,11,14,16-pentaenoic acid |
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Traditional Name | 18R-hepe |
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CAS Registry Number | Not Available |
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SMILES | [H]\C(CCCC(O)=O)=C(/[H])C\C([H])=C(\[H])C\C([H])=C(\[H])C\C([H])=C(\[H])/C(/[H])=C(\[H])[C@]([H])(O)CC |
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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-/m1/s1 |
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InChI Key | LRWYBGFSVUBWMO-UAAZXLHOSA-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 | |
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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 | 0.0025 g/l | ALOGPS | LogP | 5.60 | ALOGPS |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | | Show more...
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedMetabolite | SMILES | Kovats RI Value | Column Type | Reference |
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18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid | [H]\C(CCCC(O)=O)=C(/[H])C\C([H])=C(\[H])C\C([H])=C(\[H])C\C([H])=C(\[H])/C(/[H])=C(\[H])[C@]([H])(O)CC | 4266.6 | Standard polar | 33892256 | 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid | [H]\C(CCCC(O)=O)=C(/[H])C\C([H])=C(\[H])C\C([H])=C(\[H])C\C([H])=C(\[H])/C(/[H])=C(\[H])[C@]([H])(O)CC | 2328.1 | Standard non polar | 33892256 | 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid | [H]\C(CCCC(O)=O)=C(/[H])C\C([H])=C(\[H])C\C([H])=C(\[H])C\C([H])=C(\[H])/C(/[H])=C(\[H])[C@]([H])(O)CC | 2648.8 | Semi standard non polar | 33892256 |
DerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid,1TMS,isomer #1 | 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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid,1TMS,isomer #2 | 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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid,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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid,1TBDMS,isomer #1 | 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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid,1TBDMS,isomer #2 | 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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid,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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Spectra |
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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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0f96-5292000000-3370793b5217e6cb312b | 2017-09-20 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 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-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic 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 - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 10V, Positive-QTOF | splash10-0udi-0059000000-37e8d5e0a2b3f027af2e | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 20V, Positive-QTOF | splash10-0pir-1292000000-fe985e0055513c0581a7 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 40V, Positive-QTOF | splash10-0hft-8890000000-5024358c97ee6797a470 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 10V, Negative-QTOF | splash10-014i-0059000000-8facefa2fa633323c577 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 20V, Negative-QTOF | splash10-00kb-1093000000-c454f7dea34532f16c59 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 40V, Negative-QTOF | splash10-0a4i-9030000000-272f1a04adc1325d8e6c | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 10V, Positive-QTOF | splash10-0gb9-2469000000-c2feebc07dd3745eea11 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 20V, Positive-QTOF | splash10-0159-4931000000-510c8cc9a92d181678f1 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 40V, Positive-QTOF | splash10-015c-7900000000-47db85e8577360e2e29d | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 10V, Negative-QTOF | splash10-014i-0019000000-e173c8385a19ab62fb74 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 20V, Negative-QTOF | splash10-014i-6097000000-a86f53b311e61e0f129b | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 18R-hydroxy-5Z,8Z,11Z,14Z,16E-eicosapentaenoic acid 40V, Negative-QTOF | splash10-052f-9130000000-6e873491cb62b562d7bd | 2021-09-22 | Wishart Lab | View Spectrum |
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Biological Properties |
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Cellular Locations | Not Available |
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Biospecimen Locations | Not Available |
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Tissue Locations | Not Available |
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Pathways | |
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Normal Concentrations |
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| Not Available |
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Abnormal Concentrations |
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| Not Available |
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Associated Disorders and Diseases |
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Disease References | None |
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Associated OMIM IDs | None |
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External Links |
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DrugBank ID | Not Available |
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Phenol Explorer Compound ID | Not Available |
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FooDB ID | Not Available |
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KNApSAcK ID | Not Available |
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Chemspider ID | Not Available |
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KEGG Compound ID | C18177 |
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BioCyc ID | CPD66-68 |
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BiGG ID | Not Available |
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Wikipedia Link | Not Available |
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METLIN ID | Not Available |
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PubChem Compound | 16061126 |
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PDB ID | Not Available |
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ChEBI ID | 81563 |
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Food Biomarker Ontology | Not Available |
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VMH ID | CE7090 |
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MarkerDB ID | Not Available |
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Good Scents ID | Not Available |
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References |
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Synthesis Reference | Not Available |
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Material Safety Data Sheet (MSDS) | Not Available |
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General References | - 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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