| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2006-05-22 14:17:37 UTC |
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| Update Date | 2022-03-07 02:49:13 UTC |
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| HMDB ID | HMDB0002117 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Oleamide |
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| Description | Oleamide is an amide of the fatty acid oleic acid. It is an endogenous substance: it occurs naturally in the body of animals. It accumulates in the cerebrospinal fluid during sleep deprivation and induces sleep in animals. It is being studied as a potential medical treatment for mood and sleep disorders, and cannabinoid-regulated depression. The mechanism of action of oleamide's sleep inducing effects is an area of current research. It is likely that oleamide interacts with multiple neurotransmitter systems. Oleamide is structurally related to the endogenous cannabinoid anandamide, and has the ability to bind to the CB1 receptor as a full agonist. |
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| Structure | CCCCCCCC\C=C/CCCCCCCC(N)=O InChI=1S/C18H35NO/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H2,19,20)/b10-9- |
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| Synonyms | | Value | Source |
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| (9Z)-9-Octadecenamide | ChEBI | | (9Z)-Octadecenamide | ChEBI | | (Z)-9-Octadecenamide | ChEBI | | (Z)-Octadec-9-enoic acid amide | ChEBI | | 9-Octadecenamide | ChEBI | | 9Z-Octadecenamide | ChEBI | | cis-9,10-Octadecenoamide | ChEBI | | Oleic acid amide | ChEBI | | Oleyl amide | ChEBI | | Oleylamide | ChEBI | | (Z)-Octadec-9-enoate amide | Generator | | Oleate amide | Generator | | (9Z)-Octadec-9-enamide | HMDB | | (cis)-9-Octadecenoate | HMDB | | (cis)-9-Octadecenoic acid | HMDB | | (cis)-9-Octadecenoic acid amide | HMDB | | 14C-Labeled oleamide | HMDB | | 9,10-Octadecenamide | HMDB | | Adogen 73 | HMDB | | Aliphatic amide | HMDB | | Amide O | HMDB | | Armid O | HMDB | | Armoslip CP | HMDB | | Crodamide O | HMDB | | Crodamide or | HMDB | | Diamide O 200 | HMDB | | Diamit O 200 | HMDB | | Elaidoylamide | HMDB | | ELD | HMDB | | Kemamide O | HMDB | | Octadecene amide | HMDB | | Petrac slip-eze | HMDB | | Polydis TR 121 | HMDB | | Slip-eze | HMDB | | Tocris-0878 | HMDB | | trans-9,10-Octadecenoamide | HMDB | | Unislip 1759 | HMDB | | Oleylamide, (e)-isomer | HMDB |
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| Chemical Formula | C18H35NO |
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| Average Molecular Weight | 281.4766 |
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| Monoisotopic Molecular Weight | 281.271864747 |
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| IUPAC Name | (9Z)-octadec-9-enamide |
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| Traditional Name | oleamide |
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| CAS Registry Number | 301-02-0 |
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| SMILES | CCCCCCCC\C=C/CCCCCCCC(N)=O |
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| InChI Identifier | InChI=1S/C18H35NO/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H2,19,20)/b10-9- |
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| InChI Key | FATBGEAMYMYZAF-KTKRTIGZSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as fatty amides. These are carboxylic acid amide derivatives of fatty acids, that are formed from a fatty acid and an amine. |
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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 amides |
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| Direct Parent | Fatty amides |
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| Alternative Parents | |
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| Substituents | - Fatty amide
- Primary carboxylic acid amide
- Carboxamide group
- Carboxylic acid derivative
- Organic nitrogen compound
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organonitrogen compound
- Carbonyl group
- 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 | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 102 - 104 °C | 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 Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| 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. | 10.36 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 23.7854 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.57 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 37.1 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 2934.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 636.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 254.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 364.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 602.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 979.9 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 760.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 140.1 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2246.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 612.7 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1822.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 777.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 474.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 579.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 448.1 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 8.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Oleamide,1TMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N[Si](C)(C)C | 2415.2 | Semi standard non polar | 33892256 | | Oleamide,1TMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N[Si](C)(C)C | 2306.4 | Standard non polar | 33892256 | | Oleamide,1TMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N[Si](C)(C)C | 2513.8 | Standard polar | 33892256 | | Oleamide,2TMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N([Si](C)(C)C)[Si](C)(C)C | 2488.2 | Semi standard non polar | 33892256 | | Oleamide,2TMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N([Si](C)(C)C)[Si](C)(C)C | 2461.5 | Standard non polar | 33892256 | | Oleamide,2TMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N([Si](C)(C)C)[Si](C)(C)C | 2360.1 | Standard polar | 33892256 | | Oleamide,1TBDMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N[Si](C)(C)C(C)(C)C | 2591.7 | Semi standard non polar | 33892256 | | Oleamide,1TBDMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N[Si](C)(C)C(C)(C)C | 2515.0 | Standard non polar | 33892256 | | Oleamide,1TBDMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N[Si](C)(C)C(C)(C)C | 2577.1 | Standard polar | 33892256 | | Oleamide,2TBDMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2926.8 | Semi standard non polar | 33892256 | | Oleamide,2TBDMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2809.1 | Standard non polar | 33892256 | | Oleamide,2TBDMS,isomer #1 | CCCCCCCC/C=C\CCCCCCCC(=O)N([Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C | 2561.2 | Standard polar | 33892256 |
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