| Record Information |
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| Version | 5.0 |
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| Status | Detected and Quantified |
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| Creation Date | 2017-03-21 06:19:54 UTC |
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| Update Date | 2022-03-07 03:17:54 UTC |
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| HMDB ID | HMDB0062436 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 9Z-Eicosenoic acid |
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| Description | 9Z-Eicosenoic acid, also known as gadoleic acid, is a member of the class of compounds known as long-chain fatty acids. Long-chain fatty acids are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. 9Z-Eicosenoic acid is practically insoluble (in water) and a weakly acidic compound (based on its pKa). 9Z-Eicosenoic acid can be found in a number of food items such as lemon, sugar, garlic, and mung bean, which makes 9Z-eicosenoic acid a potential biomarker for the consumption of these food products. 9Z-Eicosenoic acid can be found in feces, blood, and urine. |
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| Structure | [H]\C(CCCCCCCCCC)=C(/[H])CCCCCCCC(O)=O InChI=1S/C20H38O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h11-12H,2-10,13-19H2,1H3,(H,21,22)/b12-11- |
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| Synonyms | | Value | Source |
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| (Z)-Eicos-9-enoic acid | ChEBI | | 9C-Eicosensaeure | ChEBI | | C20:1C | ChEBI | | cis-9-Eicosenoic acid | ChEBI | | cis-Delta(9)-Eicosenoic acid | ChEBI | | Eicos-9C-enoic acid | ChEBI | | Eicos-9C-ensaeure | ChEBI | | (Z)-Eicos-9-enoate | Generator | | cis-9-Eicosenoate | Generator | | cis-delta(9)-Eicosenoate | Generator | | cis-Δ(9)-eicosenoate | Generator | | cis-Δ(9)-eicosenoic acid | Generator | | Eicos-9C-enoate | Generator | | 9Z-Eicosenoate | Generator | | Gadoleate | HMDB | | Gadoleic acid | HMDB | | FA(20:1(9Z)) | HMDB | | cis-Gadoleate | HMDB |
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| Chemical Formula | C20H38O2 |
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| Average Molecular Weight | 310.522 |
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| Monoisotopic Molecular Weight | 310.287180464 |
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| IUPAC Name | (9Z)-icos-9-enoic acid |
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| Traditional Name | gadoleic acid |
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| CAS Registry Number | 29204-02-2 |
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| SMILES | CCCCCCCCCC\C=C/CCCCCCCC(O)=O |
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| InChI Identifier | InChI=1S/C20H38O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h11-12H,2-10,13-19H2,1H3,(H,21,22)/b12-11- |
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| InChI Key | LQJBNNIYVWPHFW-QXMHVHEDSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms. |
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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 acids and conjugates |
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| Direct Parent | Long-chain fatty acids |
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| Alternative Parents | |
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| Substituents | - Long-chain 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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| Not Available | 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 | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 4.9e-05 g/l | ALOGPS | | LogP | 8.41 | ALOGPS |
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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. | 10.95 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 26.9564 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.71 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3408.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 746.8 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 290.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 427.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 667.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1173.4 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 | 957.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 100.0 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2522.9 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 713.9 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 | 2104.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 937.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 564.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 772.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 686.8 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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| Spectra |
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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 - 9Z-Eicosenoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-002f-9770000000-8bafce752dcc0e83c211 | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 9Z-Eicosenoic acid GC-MS (1 TMS) - 70eV, Positive | splash10-00vi-9561000000-84617bccb2d2f0e64718 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 9Z-Eicosenoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 9Z-Eicosenoic 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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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 10V, Positive-QTOF | splash10-03dl-0197000000-f6093bc2d61dbe668e18 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 20V, Positive-QTOF | splash10-0uxu-3591000000-835bb134b9d517428e95 | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 40V, Positive-QTOF | splash10-0007-8960000000-fa7ac5e35243596e982c | 2016-08-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 10V, Negative-QTOF | splash10-0a4i-0029000000-053d5a3b1d592fd190c2 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 20V, Negative-QTOF | splash10-0a4i-1079000000-323c653227521538a43c | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 40V, Negative-QTOF | splash10-0a4l-9230000000-33c06ae5cc68dad15291 | 2016-08-03 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 10V, Positive-QTOF | splash10-03dl-4297000000-a679e8ed0942db48f672 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 20V, Positive-QTOF | splash10-06r6-9572000000-31bd41e72217aeb75998 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 40V, Positive-QTOF | splash10-0a4l-9100000000-e4e0ee937a9dc02d22a0 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 10V, Negative-QTOF | splash10-0a4i-0019000000-0d96115f81e42756fc2f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 20V, Negative-QTOF | splash10-0a4i-1069000000-e54a7d130deccefa86bb | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 9Z-Eicosenoic acid 40V, Negative-QTOF | splash10-0006-9020000000-c097ab1d18e1ea28f2f1 | 2021-09-22 | Wishart Lab | View Spectrum |
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| Biological Properties |
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| Cellular Locations | Not Available |
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| Biospecimen Locations | |
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| Tissue Locations | Not Available |
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| Pathways | |
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| Normal Concentrations |
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| Blood | Detected and Quantified | 11.722 +/- 5.378 uM | Adult (>18 years old) | Female | Normal | | details | | Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Normal | | details |
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| Abnormal Concentrations |
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| Feces | Detected but not Quantified | Not Quantified | Adult (>18 years old) | Both | Colorectal Cancer | | details |
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| Associated Disorders and Diseases |
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| Disease References | | Colorectal cancer |
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- Brown DG, Rao S, Weir TL, O'Malia J, Bazan M, Brown RJ, Ryan EP: Metabolomics and metabolic pathway networks from human colorectal cancers, adjacent mucosa, and stool. Cancer Metab. 2016 Jun 6;4:11. doi: 10.1186/s40170-016-0151-y. eCollection 2016. [PubMed:27275383 ]
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| Associated OMIM IDs | |
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| External Links |
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| DrugBank ID | Not Available |
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| Phenol Explorer Compound ID | Not Available |
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| FooDB ID | FDB003771 |
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| KNApSAcK ID | C00053190 |
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| Chemspider ID | 4445894 |
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| KEGG Compound ID | Not Available |
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| BioCyc ID | Not Available |
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| BiGG ID | Not Available |
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| Wikipedia Link | Gadoleic acid |
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| METLIN ID | Not Available |
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| PubChem Compound | 5282767 |
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| PDB ID | Not Available |
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| ChEBI ID | 32419 |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | M01235 |
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| MarkerDB ID | Not Available |
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| Good Scents ID | rw1110411 |
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| References |
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| Synthesis Reference | Not Available |
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| Material Safety Data Sheet (MSDS) | Not Available |
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| General References | - Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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