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 22:17:16 UTC |
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Update Date | 2021-09-14 14:57:12 UTC |
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HMDB ID | HMDB0061661 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 9-hydroxyoctadecanoic acid |
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Description | 9-hydroxyoctadecanoic acid, also known as 9-hydroxystearate or 18:0(9-OH), belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. 9-hydroxyoctadecanoic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. |
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Structure | CCCCCCCCCC(O)CCCCCCCC(O)=O InChI=1S/C18H36O3/c1-2-3-4-5-6-8-11-14-17(19)15-12-9-7-10-13-16-18(20)21/h17,19H,2-16H2,1H3,(H,20,21) |
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Synonyms | Value | Source |
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9-Hydroxystearic acid | ChEBI | 9-Hydroxystearate | Generator | 9-Hydroxyoctadecanoate | Generator | DL-9-Hydroxy stearate | HMDB | 9-Hydroxystearic acid, (R)-isomer | HMDB | 9-Hydroxystearic acid, (S)-isomer | HMDB | 18:0(9-OH) | HMDB | 9-hydroxystearic acid | HMDB | 9-DL-Hydroxystearic acid | HMDB | 9-hydroxyoctadecanoic acid | SMPDB, ChEMBL |
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Chemical Formula | C18H36O3 |
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Average Molecular Weight | 300.4766 |
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Monoisotopic Molecular Weight | 300.266445018 |
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IUPAC Name | 9-hydroxyoctadecanoic acid |
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Traditional Name | DL-9-hydroxy stearic acid |
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CAS Registry Number | 3384-24-5 |
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SMILES | CCCCCCCCCC(O)CCCCCCCC(O)=O |
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InChI Identifier | InChI=1S/C18H36O3/c1-2-3-4-5-6-8-11-14-17(19)15-12-9-7-10-13-16-18(20)21/h17,19H,2-16H2,1H3,(H,20,21) |
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InChI Key | RKHXDCVAPIMDMG-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 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 | Long-chain fatty acids |
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Alternative Parents | |
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Substituents | - Long-chain fatty acid
- Hydroxy fatty acid
- Secondary alcohol
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Alcohol
- 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 | Not Available |
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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-hydroxyoctadecanoic acid,1TMS,isomer #1 | CCCCCCCCCC(CCCCCCCC(=O)O)O[Si](C)(C)C | 2398.2 | Semi standard non polar | 33892256 | 9-hydroxyoctadecanoic acid,1TMS,isomer #2 | CCCCCCCCCC(O)CCCCCCCC(=O)O[Si](C)(C)C | 2394.5 | Semi standard non polar | 33892256 | 9-hydroxyoctadecanoic acid,2TMS,isomer #1 | CCCCCCCCCC(CCCCCCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C | 2431.9 | Semi standard non polar | 33892256 | 9-hydroxyoctadecanoic acid,1TBDMS,isomer #1 | CCCCCCCCCC(CCCCCCCC(=O)O)O[Si](C)(C)C(C)(C)C | 2658.0 | Semi standard non polar | 33892256 | 9-hydroxyoctadecanoic acid,1TBDMS,isomer #2 | CCCCCCCCCC(O)CCCCCCCC(=O)O[Si](C)(C)C(C)(C)C | 2652.2 | Semi standard non polar | 33892256 | 9-hydroxyoctadecanoic acid,2TBDMS,isomer #1 | CCCCCCCCCC(CCCCCCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 2919.4 | 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-hydroxyoctadecanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0036-5960000000-67d4a3ee725d98ea5079 | 2017-09-20 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 9-hydroxyoctadecanoic acid GC-MS (2 TMS) - 70eV, Positive | splash10-004i-9221100000-40291ebb4fcd287b4f94 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 9-hydroxyoctadecanoic 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-hydroxyoctadecanoic acid 10V, Positive-QTOF | splash10-001i-0091000000-a8b75bfa492bb7b7a6bb | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 20V, Positive-QTOF | splash10-00lr-4590000000-707498b5a5d0782fba8a | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 40V, Positive-QTOF | splash10-052f-9310000000-d98636c703945e990ce5 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 10V, Negative-QTOF | splash10-0002-0090000000-9ed230f17ba467cf5117 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 20V, Negative-QTOF | splash10-001j-0190000000-ad303d7daac63b55897e | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 40V, Negative-QTOF | splash10-0a4l-9720000000-2a81d53dd37fec6d66c6 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 10V, Positive-QTOF | splash10-001i-1192000000-d0d69d9ec9ab6dff6a82 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 20V, Positive-QTOF | splash10-05o9-8791000000-82f26033195314948cd3 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 40V, Positive-QTOF | splash10-0a4l-9100000000-0733a826b61d567db382 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 10V, Negative-QTOF | splash10-0002-0090000000-e9b39aa68d7e6aa56e30 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 20V, Negative-QTOF | splash10-000t-0090000000-64977f103ae09315cd25 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9-hydroxyoctadecanoic acid 40V, Negative-QTOF | splash10-002f-6690000000-3b12976292afd5ad2c2a | 2021-09-24 | Wishart Lab | View Spectrum |
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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.
- The AOCS Lipid Library [Link]
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