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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2011-07-07 10:24:13 UTC
Update Date2022-03-07 02:51:34 UTC
HMDB IDHMDB0013652
Secondary Accession Numbers
  • HMDB13652
Metabolite Identification
Common Name(±)11(12)-EET Ethanolamide
Description(±)11(12)-EET ethanolamide is a potential cytochrome P450 (CYP450) metabolite of arachidonoyl ethanolamide (AEA; anandamide), although specific stereochemistry rather than a racemic mixture would likely ensue from enzymatic metabolism. AEA is an endogenous lipid neurotransmitter with cannibingeric 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 cyclooxygenase-2, leading to formation of prostaglandin ethanolamides, and by lipoxygenases has also been documented (PMID: 12052037 ). CYP450 metabolism of AEA may be particularly relevant under conditions of FAAH inhibition. Evidence for the formation of 11(12)-EET ethanolamide in vivo has not been documented.
Structure
Data?1582753140
Synonyms
ValueSource
11(12)-EET-eaChEBI
11(12)-EpETrE-eaChEBI
11,12-EET-eaChEBI
N-(11,12-Epoxy-5Z,8Z,14Z-eicosatrienoyl)-ethanolamineChEBI
N-(11,12-Epoxy-5Z,8Z,14Z-icosatrienoyl)ethanolamineChEBI
(+/-)11(12)-epetre ethanolamideHMDB
Chemical FormulaC22H37NO3
Average Molecular Weight363.5341
Monoisotopic Molecular Weight363.277344055
IUPAC Name(5Z,8Z)-N-(2-hydroxyethyl)-10-{3-[(2Z)-oct-2-en-1-yl]oxiran-2-yl}deca-5,8-dienamide
Traditional Name(5Z,8Z)-N-(2-hydroxyethyl)-10-{3-[(2Z)-oct-2-en-1-yl]oxiran-2-yl}deca-5,8-dienamide
CAS Registry NumberNot Available
SMILES
CCCCC\C=C/CC1OC1C\C=C/C\C=C/CCCC(=O)NCCO
InChI Identifier
InChI=1S/C22H37NO3/c1-2-3-4-5-9-12-15-20-21(26-20)16-13-10-7-6-8-11-14-17-22(25)23-18-19-24/h6,8-10,12-13,20-21,24H,2-5,7,11,14-19H2,1H3,(H,23,25)/b8-6-,12-9-,13-10-
InChI KeyTYRRSRADDAROSO-KROJNAHFSA-N
Chemical Taxonomy
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.
KingdomOrganic compounds
Super ClassOrganic nitrogen compounds
ClassOrganonitrogen compounds
Sub ClassAmines
Direct ParentN-acylethanolamines
Alternative Parents
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
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.00088 g/LALOGPS
logP5.43ALOGPS
logP4.38ChemAxon
logS-5.6ALOGPS
pKa (Strongest Acidic)15.44ChemAxon
pKa (Strongest Basic)-0.34ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area61.86 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity111.37 m³·mol⁻¹ChemAxon
Polarizability44.05 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+193.28830932474
DeepCCS[M-H]-190.9330932474
DeepCCS[M-2H]-224.01330932474
DeepCCS[M+Na]+199.46530932474
AllCCS[M+H]+198.732859911
AllCCS[M+H-H2O]+196.232859911
AllCCS[M+NH4]+201.032859911
AllCCS[M+Na]+201.732859911
AllCCS[M-H]-196.232859911
AllCCS[M+Na-2H]-198.432859911
AllCCS[M+HCOO]-201.032859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022.7.42 minutes32390414
Predicted by Siyang on May 30, 202219.4078 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20221.2 minutes32390414
AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid34.7 seconds40023050
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid3082.2 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid313.3 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid207.3 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid221.8 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid568.3 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid915.6 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid537.1 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)165.0 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid1859.4 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid646.9 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1808.5 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid647.7 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid500.9 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate340.9 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA379.2 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water8.8 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
(??)11(12)-EET EthanolamideCCCCC\C=C/CC1OC1C\C=C/C\C=C/CCCC(=O)NCCO3253.5Standard polar33892256
(??)11(12)-EET EthanolamideCCCCC\C=C/CC1OC1C\C=C/C\C=C/CCCC(=O)NCCO2677.6Standard non polar33892256
(??)11(12)-EET EthanolamideCCCCC\C=C/CC1OC1C\C=C/C\C=C/CCCC(=O)NCCO3012.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
(??)11(12)-EET Ethanolamide,1TMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)NCCO[Si](C)(C)C2979.3Semi standard non polar33892256
(??)11(12)-EET Ethanolamide,1TMS,isomer #2CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO)[Si](C)(C)C2907.6Semi standard non polar33892256
(±)11(12)-EET Ethanolamide,2TMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C2940.0Semi standard non polar33892256
(±)11(12)-EET Ethanolamide,2TMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C3019.4Standard non polar33892256
(±)11(12)-EET Ethanolamide,2TMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO[Si](C)(C)C)[Si](C)(C)C3097.0Standard polar33892256
(??)11(12)-EET Ethanolamide,1TBDMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)NCCO[Si](C)(C)C(C)(C)C3216.7Semi standard non polar33892256
(??)11(12)-EET Ethanolamide,1TBDMS,isomer #2CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO)[Si](C)(C)C(C)(C)C3136.6Semi standard non polar33892256
(±)11(12)-EET Ethanolamide,2TBDMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3427.4Semi standard non polar33892256
(±)11(12)-EET Ethanolamide,2TBDMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3367.9Standard non polar33892256
(±)11(12)-EET Ethanolamide,2TBDMS,isomer #1CCCCC/C=C\CC1OC1C/C=C\C/C=C\CCCC(=O)N(CCO[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3151.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - (±)11(12)-EET Ethanolamide GC-MS (Non-derivatized) - 70eV, Positivesplash10-0002-8694000000-6d3847325b2b7040cee22017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (±)11(12)-EET Ethanolamide GC-MS (1 TMS) - 70eV, Positivesplash10-0fk9-8796300000-08d23c6d3b184e010dae2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (±)11(12)-EET Ethanolamide GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - (±)11(12)-EET Ethanolamide GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 10V, Positive-QTOFsplash10-03di-4129000000-910d6ee245580b6ad5cc2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 20V, Positive-QTOFsplash10-03di-9311000000-c066370e8bc76292f7912017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 40V, Positive-QTOFsplash10-03kc-9400000000-719f47ab5fde92ea853e2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 10V, Negative-QTOFsplash10-03di-0119000000-aee82aac64e21c8ff5e72017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 20V, Negative-QTOFsplash10-03dl-5219000000-5757c2d1716a1ad61a242017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 40V, Negative-QTOFsplash10-01ox-9300000000-dac6a7b4529aa109cd722017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 10V, Negative-QTOFsplash10-03di-0009000000-ea75254cd356aac3e6062021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 20V, Negative-QTOFsplash10-03di-3129000000-a8f779297baa545ea5be2021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 40V, Negative-QTOFsplash10-0006-9133000000-18b69b4fe133f3d381a92021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 10V, Positive-QTOFsplash10-03di-9117000000-938cc0536a78351d16512021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 20V, Positive-QTOFsplash10-0006-9001000000-f9d2451870ca0ec8533f2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - (±)11(12)-EET Ethanolamide 40V, Positive-QTOFsplash10-0006-9100000000-2f1ee6d42f6b011c032e2021-09-24Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB029622
KNApSAcK IDNot Available
Chemspider ID17220862
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound16061183
PDB IDNot Available
ChEBI ID136990
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Kozak KR, Marnett LJ: Oxidative metabolism of endocannabinoids. Prostaglandins Leukot Essent Fatty Acids. 2002 Feb-Mar;66(2-3):211-20. [PubMed:12052037 ]
  2. 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 ]
  3. 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 ]
  4. 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 ]