Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2014-04-11 22:17:11 UTC |
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Update Date | 2022-09-22 18:34:28 UTC |
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HMDB ID | HMDB0061659 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | 2(R)-hydroxyicosanoic acid |
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Description | 2(R)-hydroxyicosanoic acid, also known as a-hydroxyeicosanoate or alpha-hydroxyarachidic acid, 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. 2(R)-hydroxyicosanoic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. |
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Structure | CCCCCCCCCCCCCCCCCCC(O)C(O)=O InChI=1S/C20H40O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(21)20(22)23/h19,21H,2-18H2,1H3,(H,22,23) |
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Synonyms | Value | Source |
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2-Hydroxyeicosanoic acid | ChEBI | alpha-Hydroxyarachidic acid | ChEBI | alpha-Hydroxyeicosanoic acid | ChEBI | alpha-Hydroxyicosanoic acid | ChEBI | 2-Hydroxyeicosanoate | Generator | a-Hydroxyarachidate | Generator | a-Hydroxyarachidic acid | Generator | alpha-Hydroxyarachidate | Generator | Α-hydroxyarachidate | Generator | Α-hydroxyarachidic acid | Generator | a-Hydroxyeicosanoate | Generator | a-Hydroxyeicosanoic acid | Generator | alpha-Hydroxyeicosanoate | Generator | Α-hydroxyeicosanoate | Generator | Α-hydroxyeicosanoic acid | Generator | a-Hydroxyicosanoate | Generator | a-Hydroxyicosanoic acid | Generator | alpha-Hydroxyicosanoate | Generator | Α-hydroxyicosanoate | Generator | Α-hydroxyicosanoic acid | Generator | 2(R)-Hydroxyicosanoate | Generator | 2-Hydroxyicosanoate | HMDB | 2-Hydroxyarachidate | Generator |
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Chemical Formula | C20H40O3 |
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Average Molecular Weight | 328.5298 |
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Monoisotopic Molecular Weight | 328.297745146 |
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IUPAC Name | 2-hydroxyicosanoic acid |
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Traditional Name | 2-hydroxyicosanoic acid |
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CAS Registry Number | Not Available |
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SMILES | CCCCCCCCCCCCCCCCCCC(O)C(O)=O |
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InChI Identifier | InChI=1S/C20H40O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(21)20(22)23/h19,21H,2-18H2,1H3,(H,22,23) |
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InChI Key | CPLYLXYEVLGWFJ-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
- Alpha-hydroxy acid
- Hydroxy acid
- Monosaccharide
- Secondary alcohol
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Alcohol
- Hydrocarbon derivative
- Organic oxide
- Carbonyl group
- Organic oxygen compound
- 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 | 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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2(R)-hydroxyicosanoic acid,1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCC(O[Si](C)(C)C)C(=O)O | 2575.6 | Semi standard non polar | 33892256 | 2(R)-hydroxyicosanoic acid,1TMS,isomer #2 | CCCCCCCCCCCCCCCCCCC(O)C(=O)O[Si](C)(C)C | 2567.8 | Semi standard non polar | 33892256 | 2(R)-hydroxyicosanoic acid,2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCC(O[Si](C)(C)C)C(=O)O[Si](C)(C)C | 2617.5 | Semi standard non polar | 33892256 | 2(R)-hydroxyicosanoic acid,1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCC(O[Si](C)(C)C(C)(C)C)C(=O)O | 2837.1 | Semi standard non polar | 33892256 | 2(R)-hydroxyicosanoic acid,1TBDMS,isomer #2 | CCCCCCCCCCCCCCCCCCC(O)C(=O)O[Si](C)(C)C(C)(C)C | 2818.2 | Semi standard non polar | 33892256 | 2(R)-hydroxyicosanoic acid,2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCC(O[Si](C)(C)C(C)(C)C)C(=O)O[Si](C)(C)C(C)(C)C | 3091.5 | 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 - 2(R)-hydroxyicosanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-01px-7591000000-18dfc2edd63b6cc1c30e | 2017-09-20 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2(R)-hydroxyicosanoic acid GC-MS (2 TMS) - 70eV, Positive | splash10-0a6r-9433200000-3767d28e0bb73b8c0b53 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2(R)-hydroxyicosanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2(R)-hydroxyicosanoic 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 - 2(R)-hydroxyicosanoic acid 10V, Positive-QTOF | splash10-03fr-0049000000-ef94ee0c2b46af011637 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 20V, Positive-QTOF | splash10-117l-2493000000-79c42a69e5c58fbdcf01 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 40V, Positive-QTOF | splash10-052o-8970000000-cdfe16b9a7653e337580 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 10V, Negative-QTOF | splash10-004i-0029000000-aa1a46e7ac444e0a6d75 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 20V, Negative-QTOF | splash10-0560-0095000000-beaf1c8a7d5d0cbc8c6a | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 40V, Negative-QTOF | splash10-0ugl-7090000000-bbe0b59b0772b3ab806e | 2017-10-06 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 10V, Negative-QTOF | splash10-004i-0009000000-4d139c15ac1183b67829 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 20V, Negative-QTOF | splash10-004i-1029000000-c85f2dad4ef7fb8900d5 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 40V, Negative-QTOF | splash10-0006-9000000000-b0b302e756299d44a3b2 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 10V, Positive-QTOF | splash10-004i-2039000000-b90700eaecaf424b78a5 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 20V, Positive-QTOF | splash10-08iu-9244000000-23fb95cb412919217513 | 2021-09-24 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2(R)-hydroxyicosanoic acid 40V, Positive-QTOF | splash10-0a4l-9000000000-7567f1d1ac8791132251 | 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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