Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2007-05-22 20:46:11 UTC |
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Update Date | 2022-03-07 02:49:30 UTC |
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HMDB ID | HMDB0006270 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Linoelaidic acid |
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Description | Linoelaidic acid is an isomer of linoleic acid, or conjugated linoleic acid (CLA), a derivative of a fatty acid linoleic acid. Conjugated linoleic acid (CLA) isomers, a group of positional and geometric isomers of linoleic acid [18:2(n-6)], have been studied extensively due to their ability to modulate cancer, atherosclerosis, obesity, immune function and diabetes in a variety of experimental models. CLA's ability to modulate human obesity remains controversial because data from clinical trials using mixed isomers are conflicting. (PMID 10759137 ). Trans fatty acids are characteristically produced during industrial hydrogenation of plant oils. |
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Structure | CCCCC\C=C\C\C=C\CCCCCCCC(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/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6+,10-9+ |
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Synonyms | Value | Source |
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18:2, N-6,9 all-trans | ChEBI | 9E,12E-Octadecadienoic acid | ChEBI | C18:2, N-6,9 all-trans | ChEBI | trans-9,trans-12-Linoleic acid | ChEBI | 9E,12E-Octadecadienoate | Generator | trans-9,trans-12-Linoleate | Generator | Linoelaidate | Generator | (9E,12E)-9,12-Octadecadienoate | HMDB | (9E,12E)-9,12-Octadecadienoic acid | HMDB | 9,12-Octadecadienoic acid | MeSH, HMDB | Linoleic acid | MeSH, HMDB | Linoleic acid, (Z,Z)-isomer, 14C-labeled | MeSH, HMDB | Linolelaidic acid | MeSH, HMDB | cis,cis-9,12-Octadecadienoic acid | MeSH, HMDB | Linoleic acid, (e,e)-isomer | MeSH, HMDB | Linoleic acid, (Z,Z)-isomer | MeSH, HMDB | Linoleic acid, ammonium salt, (Z,Z)-isomer | MeSH, HMDB | Linoleic acid, potassium salt, (Z,Z)-isomer | MeSH, HMDB | Linoelaidic acid, (e,Z)-isomer | MeSH, HMDB | 9 trans,12 trans Octadecadienoic acid | MeSH, HMDB | Linoleic acid, sodium salt, (e,e)-isomer | MeSH, HMDB | Linoleic acid, sodium salt, (Z,Z)-isomer | MeSH, HMDB | Acid, 9,12-octadecadienoic | MeSH, HMDB | trans,trans-9,12-Octadecadienoic acid | MeSH, HMDB | Linoleic acid, (Z,e)-isomer | MeSH, HMDB | 9,12 Octadecadienoic acid | MeSH, HMDB | Linoleic acid, calcium salt, (Z,Z)-isomer | MeSH, HMDB | 9-trans,12-trans-Octadecadienoic acid | MeSH, HMDB | Linoleate | MeSH, HMDB, Generator |
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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 | (9E,12E)-octadeca-9,12-dienoic acid |
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Traditional Name | linoelaidic acid |
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CAS Registry Number | 506-21-8 |
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SMILES | CCCCC\C=C\C\C=C\CCCCCCCC(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/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6+,10-9+ |
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InChI Key | OYHQOLUKZRVURQ-AVQMFFATSA-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 | |
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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 | 28 - 29 °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 UnderivatizedChromatographic 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. | 9.85 minutes | 32390414 | Predicted by Siyang on May 30, 2022 | 24.5385 minutes | 33406817 | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.79 minutes | 32390414 | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 35.9 seconds | 40023050 | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3092.2 seconds | 40023050 | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 650.7 seconds | 40023050 | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 258.4 seconds | 40023050 | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 424.2 seconds | 40023050 | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 641.5 seconds | 40023050 | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1105.5 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 | 772.5 seconds | 40023050 | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 93.6 seconds | 40023050 | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2279.2 seconds | 40023050 | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 701.3 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 | 1917.5 seconds | 40023050 | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 850.2 seconds | 40023050 | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 522.1 seconds | 40023050 | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 631.7 seconds | 40023050 | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 627.4 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 | 8.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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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 - Linoelaidic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0007-9750000000-50d69948d56dd2ba6e42 | 2016-09-22 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Linoelaidic acid GC-MS (1 TMS) - 70eV, Positive | splash10-0079-9631000000-cc93c24bbf14d81ae9b6 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Linoelaidic 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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Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 10V, Negative-QTOF | splash10-0udi-0009000000-4dd23c77f8e48c0ab9ec | 2017-08-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 20V, Negative-QTOF | splash10-0udi-0009000000-4dd23c77f8e48c0ab9ec | 2017-08-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 10V, Negative-QTOF | splash10-004i-0092000000-b8aabbdc61f9b89ac359 | 2017-08-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF , Negative-QTOF | splash10-004i-0092000000-b8aabbdc61f9b89ac359 | 2017-08-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 30V, Negative-QTOF | splash10-004i-0092000000-b8aabbdc61f9b89ac359 | 2017-08-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 10V, Negative-QTOF | splash10-004i-0090000000-dd6cf3859995c0ba8be8 | 2017-09-12 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 20V, Negative-QTOF | splash10-004i-0090000000-fdabfebc98e900a3a52b | 2017-09-12 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 10V, Negative-QTOF | splash10-004i-0092000000-b8aabbdc61f9b89ac359 | 2017-09-12 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF , Negative-QTOF | splash10-004i-0091000000-d8e32f26b102cfd39457 | 2017-09-12 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid ESI-TOF 30V, Negative-QTOF | splash10-004i-0090000000-e1aa5a6fc5d53c0d0cb6 | 2017-09-12 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid LC-ESI-TOF , negative-QTOF | splash10-004i-0090000000-dd6cf3859995c0ba8be8 | 2017-09-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid LC-ESI-TOF , negative-QTOF | splash10-004i-0090000000-fdabfebc98e900a3a52b | 2017-09-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid LC-ESI-TOF , negative-QTOF | splash10-004i-0090000000-e1aa5a6fc5d53c0d0cb6 | 2017-09-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid 20V, Positive-QTOF | splash10-004i-0090000000-fdabfebc98e900a3a52b | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid 10V, Positive-QTOF | splash10-004i-0090000000-dd6cf3859995c0ba8be8 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Linoelaidic acid 30V, Positive-QTOF | splash10-004i-0090000000-e1aa5a6fc5d53c0d0cb6 | 2021-09-20 | HMDB team, MONA | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 10V, Positive-QTOF | splash10-01q9-0190000000-76fe39ad6bbee3f769e7 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 20V, Positive-QTOF | splash10-0239-5690000000-9af1d7ecbc9ccf182d61 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 40V, Positive-QTOF | splash10-006x-8930000000-0032f23abecb3b362ff2 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 10V, Negative-QTOF | splash10-004i-0090000000-b26f2ec0d32875acf897 | 2016-08-04 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 20V, Negative-QTOF | splash10-004r-1090000000-08e28514e79444592bb5 | 2016-08-04 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 40V, Negative-QTOF | splash10-0a4l-9230000000-d3f27ea65196f222f6cd | 2016-08-04 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 10V, Negative-QTOF | splash10-004i-0090000000-03fd7d53d39127d02766 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 20V, Negative-QTOF | splash10-01t9-1090000000-e5b6404e73269d5a2528 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Linoelaidic acid 40V, Negative-QTOF | splash10-0006-9210000000-da81d6d1d7b1e626e905 | 2021-09-21 | Wishart Lab | View Spectrum |
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