Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2011-07-12 10:28:56 UTC |
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Update Date | 2022-03-07 02:51:34 UTC |
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HMDB ID | HMDB0013659 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | (±)8(9)-EET Ethanolamide |
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Description | (±)8(9)-EET ethanolamide is a cytochrome P450 (CYP450) metabolite of arachidonoyl ethanolamide (AEA), although specific stereochemistry rather than a racemic mixture would likely ensue from enzymatic metabolism (PMID: 17272674 ). AEA is an endogenous lipid neurotransmitter with cannabingeric activity, binding to both the central cannabinoid (CB1) and peripheral cannabinoid (CB2) receptors (PMID: 8395053 , 16078824 ). Fatty acid amide hydrolase (FAAH) is the enzyme responsible for the hydrolysis and inactivation of AEA (PMID: 12052036 ). Metabolism of AEA by COX-2, lipoxygenases, and CYP450 enzymes has also been documented (PMID: 12052037 , 17272674 ). Human liver microsomes metabolize AEA to 5,6-, 8,9-, 11,12-, and 14,15-EET ethanolamides in a time and protein concentration dependent manner (PMID: 17272674 ). (±)8(9)-EET reduces glomerular filtration rate through cyclooxygenase dependent preglomerular vasoconstriction (PMID: 1928373 ). The physiological actions of (±)8(9)-EET ethanolamide have not been examined. |
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Structure | CCCCC\C=C/C\C=C/CC1OC1C\C=C/CCCC(=O)NCCO InChI=1S/C22H37NO3/c1-2-3-4-5-6-7-8-9-12-15-20-21(26-20)16-13-10-11-14-17-22(25)23-18-19-24/h6-7,9-10,12-13,20-21,24H,2-5,8,11,14-19H2,1H3,(H,23,25)/b7-6-,12-9-,13-10- |
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Synonyms | Value | Source |
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8(9)-EET-ea | ChEBI | 8(9)-EpETrE-ea | ChEBI | 8,9-EET-ea | ChEBI | N-(8,9-Epoxy-5Z,11Z,14Z-eicosatrienoyl)-ethanolamine | ChEBI | N-(8,9-Epoxy-5Z,11Z,14Z-icosatrienoyl)ethanolamine | ChEBI | (+/-)8(9)-epetre ethanolamide | HMDB |
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Chemical Formula | C22H37NO3 |
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Average Molecular Weight | 363.5341 |
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Monoisotopic Molecular Weight | 363.277344055 |
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IUPAC Name | (5Z)-N-(2-hydroxyethyl)-7-{3-[(2Z,5Z)-undeca-2,5-dien-1-yl]oxiran-2-yl}hept-5-enamide |
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Traditional Name | 8(9)-EpETrE-EA |
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CAS Registry Number | Not Available |
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SMILES | CCCCC\C=C/C\C=C/CC1OC1C\C=C/CCCC(=O)NCCO |
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InChI Identifier | InChI=1S/C22H37NO3/c1-2-3-4-5-6-7-8-9-12-15-20-21(26-20)16-13-10-11-14-17-22(25)23-18-19-24/h6-7,9-10,12-13,20-21,24H,2-5,8,11,14-19H2,1H3,(H,23,25)/b7-6-,12-9-,13-10- |
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InChI Key | BXHPMUQFGGSDAK-TYAUOURKSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as n-acylethanolamines. N-acylethanolamines are compounds containing an N-acyethanolamine moiety, which is characterized by an acyl group is linked to the nitrogen atom of ethanolamine. |
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Kingdom | Organic compounds |
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Super Class | Organic nitrogen compounds |
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Class | Organonitrogen compounds |
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Sub Class | Amines |
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Direct Parent | N-acylethanolamines |
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Alternative Parents | |
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Substituents | - N-acylethanolamine
- Fatty amide
- N-acyl-amine
- Fatty acyl
- Carboxamide group
- Secondary carboxylic acid amide
- Oxacycle
- Organoheterocyclic compound
- Carboxylic acid derivative
- Dialkyl ether
- Oxirane
- Ether
- Organopnictogen compound
- Alcohol
- Organic oxygen compound
- Organooxygen compound
- Primary alcohol
- Carbonyl group
- Hydrocarbon derivative
- Organic oxide
- 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 | |
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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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(??)8(9)-EET Ethanolamide,1TMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)NCCO[Si](C)(C)C | 2985.7 | Semi standard non polar | 33892256 | (??)8(9)-EET Ethanolamide,1TMS,isomer #2 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO)[Si](C)(C)C | 2911.3 | Semi standard non polar | 33892256 | (±)8(9)-EET Ethanolamide,2TMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C | 2940.6 | Semi standard non polar | 33892256 | (±)8(9)-EET Ethanolamide,2TMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C | 3020.2 | Standard non polar | 33892256 | (±)8(9)-EET Ethanolamide,2TMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C | 3097.0 | Standard polar | 33892256 | (??)8(9)-EET Ethanolamide,1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)NCCO[Si](C)(C)C(C)(C)C | 3220.9 | Semi standard non polar | 33892256 | (??)8(9)-EET Ethanolamide,1TBDMS,isomer #2 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO)[Si](C)(C)C(C)(C)C | 3139.1 | Semi standard non polar | 33892256 | (±)8(9)-EET Ethanolamide,2TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3430.2 | Semi standard non polar | 33892256 | (±)8(9)-EET Ethanolamide,2TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3367.9 | Standard non polar | 33892256 | (±)8(9)-EET Ethanolamide,2TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CC1OC1C/C=C\CCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 3151.2 | Standard 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 - (±)8(9)-EET Ethanolamide GC-MS (Non-derivatized) - 70eV, Positive | splash10-0f6t-7975000000-138caba1cc10d88b3acb | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - (±)8(9)-EET Ethanolamide GC-MS (1 TMS) - 70eV, Positive | splash10-0fk9-8895200000-ff0d605a4780f0fe8a9b | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - (±)8(9)-EET Ethanolamide 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 - (±)8(9)-EET Ethanolamide 10V, Positive-QTOF | splash10-03di-4219000000-6a4153a00d35175f07cc | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 20V, Positive-QTOF | splash10-03di-9501000000-49546729e6f1fc39fbde | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 40V, Positive-QTOF | splash10-03di-9300000000-e83b610335b0f604ffa2 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 10V, Negative-QTOF | splash10-03di-0209000000-ecb21063dfd7ef100dad | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 20V, Negative-QTOF | splash10-03dl-5309000000-6e6597f4aa6f9be887a1 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 40V, Negative-QTOF | splash10-01ox-9400000000-a6384c85eb3f6a786050 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 10V, Positive-QTOF | splash10-03di-5209000000-53d5fe289aac0a214cf6 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 20V, Positive-QTOF | splash10-03dm-9103000000-2718f725d05698a31a6a | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 40V, Positive-QTOF | splash10-000x-9100000000-3f90e9cfac2f10988867 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 10V, Negative-QTOF | splash10-03di-0009000000-98c48b1fa4d3ad780022 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 20V, Negative-QTOF | splash10-03dl-2129000000-908411b9c58743953841 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (±)8(9)-EET Ethanolamide 40V, Negative-QTOF | splash10-0596-9202000000-f292ca66393a75a3a56a | 2021-09-22 | Wishart Lab | View Spectrum |
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General References | - Kozak KR, Marnett LJ: Oxidative metabolism of endocannabinoids. Prostaglandins Leukot Essent Fatty Acids. 2002 Feb-Mar;66(2-3):211-20. [PubMed:12052037 ]
- Snider NT, Kornilov AM, Kent UM, Hollenberg PF: Anandamide metabolism by human liver and kidney microsomal cytochrome p450 enzymes to form hydroxyeicosatetraenoic and epoxyeicosatrienoic acid ethanolamides. J Pharmacol Exp Ther. 2007 May;321(2):590-7. Epub 2007 Feb 1. [PubMed:17272674 ]
- Felder CC, Briley EM, Axelrod J, Simpson JT, Mackie K, Devane WA: Anandamide, an endogenous cannabimimetic eicosanoid, binds to the cloned human cannabinoid receptor and stimulates receptor-mediated signal transduction. Proc Natl Acad Sci U S A. 1993 Aug 15;90(16):7656-60. [PubMed:8395053 ]
- Lambert DM, Fowler CJ: The endocannabinoid system: drug targets, lead compounds, and potential therapeutic applications. J Med Chem. 2005 Aug 11;48(16):5059-87. [PubMed:16078824 ]
- Deutsch DG, Ueda N, Yamamoto S: The fatty acid amide hydrolase (FAAH). Prostaglandins Leukot Essent Fatty Acids. 2002 Feb-Mar;66(2-3):201-10. [PubMed:12052036 ]
- Katoh T, Takahashi K, Capdevila J, Karara A, Falck JR, Jacobson HR, Badr KF: Glomerular stereospecific synthesis and hemodynamic actions of 8,9-epoxyeicosatrienoic acid in rat kidney. Am J Physiol. 1991 Oct;261(4 Pt 2):F578-86. [PubMed:1928373 ]
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