| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2005-11-16 15:48:42 UTC |
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| Update Date | 2022-03-07 02:49:25 UTC |
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| HMDB ID | HMDB0005048 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | (10E,12Z)-Octadecadienoic acid |
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| Description | Conjugated linoleic acid (CLA) is a collective term for a mixture of positional and geometric isomers of linoleic acid (18:2) in which the two double bonds are conjugated. CLA has been suggested to have effects on human health, including effects on body composition, blood lipids, liver metabolism, insulin sensitivity and immune function, with mixed results. Some reported data suggest that the effects of the substance may be isomer dependent and that cis-9,trans-11 and trans-10,cis-12 conjugated linoleic acids have opposing effects, the later (trans-10,cis-12 CLA) having a relative detrimental effect on blood lipids. (PMID 16477173 ). |
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| Structure | CCCCC\C=C/C=C/CCCCCCCCC(O)=O InChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-9H,2-5,10-17H2,1H3,(H,19,20)/b7-6-,9-8+ |
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| Synonyms | | Value | Source |
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| (e,Z)-Octadeca-10,12-dienoic acid | ChEBI | | 10,12-trans,cis-Octadecanoic acid | ChEBI | | 10-trans-12-cis-CLA | ChEBI | | 10-trans-12-cis-Conjugated linoleic acid | ChEBI | | 10-trans-12-cis-Linoleic acid | ChEBI | | 10-trans-12-cis-Octadecadienoic acid | ChEBI | | C18:2, N-6,8 cis,trans | ChEBI | | (e,Z)-Octadeca-10,12-dienoate | Generator | | 10,12-trans,cis-Octadecanoate | Generator | | 10-trans-12-cis-Conjugated linoleate | Generator | | 10-trans-12-cis-Linoleate | Generator | | 10-trans-12-cis-Octadecadienoate | Generator | | (10E,12Z)-Octadecadienoate | Generator | | 10E,12Z-Octadecadienoate | HMDB | | (10E,12Z)-Octadeca-10,12-dienoate | HMDB | | trans-10,cis-12-Conjugated linoleic acid | HMDB | | trans-12,cis-10-Conjugated linoleic acid | HMDB | | 10E12Z-CLA | HMDB | | trans10cis12-Conjugated linoleic acid | HMDB | | trans-10, trans-12 Conjugated linoleic acid | HMDB | | t10,C12 CLA | HMDB | | FA(18:2(10E,12Z)) | HMDB |
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| Chemical Formula | C18H32O2 |
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| Average Molecular Weight | 280.4455 |
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| Monoisotopic Molecular Weight | 280.240230268 |
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| IUPAC Name | (10E,12Z)-octadeca-10,12-dienoic acid |
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| Traditional Name | 10E,12Z-octadecadienoic acid |
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| CAS Registry Number | 2420-56-6 |
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| SMILES | CCCCC\C=C/C=C/CCCCCCCCC(O)=O |
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| InChI Identifier | InChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-9H,2-5,10-17H2,1H3,(H,19,20)/b7-6-,9-8+ |
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| InChI Key | GKJZMAHZJGSBKD-NMMTYZSQSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as lineolic acids and derivatives. These are derivatives of lineolic acid. Lineolic acid is a polyunsaturated omega-6 18 carbon long fatty acid, with two CC double bonds at the 9- and 12-positions. |
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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 | Lineolic acids and derivatives |
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| Direct Parent | Lineolic acids and derivatives |
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| Alternative Parents | |
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| Substituents | - Octadecanoid
- Long-chain fatty acid
- Fatty acid
- Unsaturated fatty acid
- Straight chain fatty acid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen 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 | Liquid |
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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 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. | 9.88 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 25.1412 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.77 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 36.1 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3130.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 708.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 270.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 447.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 629.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1101.4 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 | 748.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 91.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2323.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 697.2 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 | 1872.0 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 871.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 544.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 648.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 654.3 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 | 8.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - (10E,12Z)-Octadecadienoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0006-9840000000-8de71f047c5cd3fb9e62 | 2017-08-28 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (10E,12Z)-Octadecadienoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid LC-ESI-TOF , negative-QTOF | splash10-004i-0090000000-8c1cd1f8ffc64efeec3c | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid LC-ESI-TOF , negative-QTOF | splash10-004i-0090000000-38586249179f8a1229fc | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid LC-ESI-TOF , negative-QTOF | splash10-004i-0090000000-62a4185fa41d6545e722 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 30V, Positive-QTOF | splash10-004i-0090000000-62a4185fa41d6545e722 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 10V, Positive-QTOF | splash10-004i-0090000000-8c1cd1f8ffc64efeec3c | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 20V, Positive-QTOF | splash10-004i-0090000000-38586249179f8a1229fc | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 10V, Positive-QTOF | splash10-01q9-0190000000-704dcc047e3570ab2dee | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 20V, Positive-QTOF | splash10-0080-5690000000-73c7802d63562d58060a | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 40V, Positive-QTOF | splash10-0f6x-9830000000-bbd12ad9fd72f8383890 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 10V, Negative-QTOF | splash10-004i-0090000000-4fed8cf7e37a5b8b0a9a | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 20V, Negative-QTOF | splash10-004r-1090000000-b69008c130db39eb7682 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 40V, Negative-QTOF | splash10-0a4l-9230000000-73d8a764573648d2a263 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 10V, Negative-QTOF | splash10-004i-0090000000-03fd7d53d39127d02766 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 20V, Negative-QTOF | splash10-01t9-1090000000-96b6f2a16f2aa6a1afa5 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 40V, Negative-QTOF | splash10-0006-9310000000-5ea5d86bf1df8fbb1ca4 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 10V, Positive-QTOF | splash10-01q9-4590000000-5805569743dbf711a9fa | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 20V, Positive-QTOF | splash10-05mk-9510000000-d66d9ade15210b5ad3c1 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (10E,12Z)-Octadecadienoic acid 40V, Positive-QTOF | splash10-0apj-9000000000-acfe7e05ea26fee958c6 | 2021-09-25 | Wishart Lab | View Spectrum |
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