| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2017-09-08 16:30:17 UTC |
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| Update Date | 2022-11-30 19:24:24 UTC |
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| HMDB ID | HMDB0112145 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | FAHFA(18:1(9Z)/13-O-18:0) |
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| Description | Branched fatty acid esters of hydroxy fatty acids (FAHFAs) are endogenous lipids found in adipose tissue and serum that correlate with insulin sensitivity and are reduced in insulin-resistant humans. Structurally, they are characterized by a branched ester linkage between a fatty acid and a hydroxy-fatty acid. Different positions of the branched ester on the hydroxy fatty acid results in different isomers. FAHFA(18:1(9Z)/13-O-18:0), in particular, is formed from the condensation of the carboxy group of oleic acid with the hydroxy group of 13-hydroxyoctadecanoic acid. It is alternatively named 13-OAHSA since it is the 13-hydroxy isomer of the OAHSA (oleic acid-hydroxystearic acid) family. |
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| Structure | [H]\C(CCCCCCCC)=C(/[H])CCCCCCCC(=O)OC(CCCCC)CCCCCCCCCCCC(O)=O InChI=1S/C36H68O4/c1-3-5-7-8-9-10-11-12-13-14-15-19-22-25-29-33-36(39)40-34(30-26-6-4-2)31-27-23-20-17-16-18-21-24-28-32-35(37)38/h12-13,34H,3-11,14-33H2,1-2H3,(H,37,38)/b13-12- |
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| Synonyms | | Value | Source |
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| 13-(9Z-Octadecenoyloxy)-octadecanoic acid | ChEBI | | 13-(Oleoyloxy)stearic acid | ChEBI | | 13-OAHSA | ChEBI | | Oleoyl-13-hydroxystearate ester | ChEBI | | 13-(9Z-Octadecenoyloxy)-octadecanoate | Generator | | 13-(Oleoyloxy)stearate | Generator | | Oleoyl-13-hydroxystearic acid ester | Generator | | 13-[(9Z)-Octadecenoyloxy]octadecanoate | HMDB | | 13-(Oleoyloxy)octadecanoic acid | HMDB | | Oleic acid-13-hydroxystearic acid | HMDB | | FAHFA(18:1(9Z)/13-O-18:0) | SMPDB, ChEBI |
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| Chemical Formula | C36H68O4 |
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| Average Molecular Weight | 564.936 |
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| Monoisotopic Molecular Weight | 564.51176067 |
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| IUPAC Name | 13-[(9Z)-octadec-9-enoyloxy]octadecanoic acid |
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| Traditional Name | 13-[(9Z)-octadec-9-enoyloxy]octadecanoic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H]\C(CCCCCCCC)=C(/[H])CCCCCCCC(=O)OC(CCCCC)CCCCCCCCCCCC(O)=O |
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| InChI Identifier | InChI=1S/C36H68O4/c1-3-5-7-8-9-10-11-12-13-14-15-19-22-25-29-33-36(39)40-34(30-26-6-4-2)31-27-23-20-17-16-18-21-24-28-32-35(37)38/h12-13,34H,3-11,14-33H2,1-2H3,(H,37,38)/b13-12- |
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| InChI Key | RCTXOTTXFKSGGU-SEYXRHQNSA-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
- Fatty acid ester
- Dicarboxylic acid or derivatives
- Carboxylic acid ester
- 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 | Not Available |
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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 | 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. Predicted by Afia on May 17, 2022. | 9.28 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 42.4263 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 0.99 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5381.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1112.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 450.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 557.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1040.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1935.4 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 | 1522.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 122.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4043.4 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1094.3 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 | 3381.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1472.3 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 820.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 1013.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 1026.5 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 | 9.7 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 - FAHFA(18:1(9Z)/13-O-18:0) GC-MS (1 TMS) - 70eV, Positive | splash10-0609-7394033000-781205c1bf7dbde3272d | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) GC-MS ("FAHFA(18:1(9Z)/13-O-18:0),1TMS,#1" TMS) - 70eV, Positive | Not Available | 2021-10-14 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-15 | 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 - FAHFA(18:1(9Z)/13-O-18:0) 10V, Positive-QTOF | splash10-014j-0050090000-7d20e61d7fd2bcc127ce | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 20V, Positive-QTOF | splash10-015i-0190020000-fe2d7de8bfc8662a61c9 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 40V, Positive-QTOF | splash10-0076-4490000000-ab5feccb84afa1db5b25 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 10V, Negative-QTOF | splash10-03di-0040090000-8f810965f35368732a58 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 20V, Negative-QTOF | splash10-01pk-1090040000-d6ce7a13ba700e4f1914 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 40V, Negative-QTOF | splash10-0a5c-5090000000-b92db2e67fa9ac182674 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 10V, Negative-QTOF | splash10-03di-0000090000-d0c7b05779e130b6f9f3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 20V, Negative-QTOF | splash10-03di-0000090000-d0c7b05779e130b6f9f3 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(18:1(9Z)/13-O-18:0) 40V, Negative-QTOF | splash10-03sk-0090030000-de277e22ab717964c88b | 2021-09-24 | Wishart Lab | View Spectrum |
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| General References | - Yore MM, Syed I, Moraes-Vieira PM, Zhang T, Herman MA, Homan EA, Patel RT, Lee J, Chen S, Peroni OD, Dhaneshwar AS, Hammarstedt A, Smith U, McGraw TE, Saghatelian A, Kahn BB: Discovery of a class of endogenous mammalian lipids with anti-diabetic and anti-inflammatory effects. Cell. 2014 Oct 9;159(2):318-32. doi: 10.1016/j.cell.2014.09.035. [PubMed:25303528 ]
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