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 16:28:46 UTC |
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Update Date | 2022-11-30 19:24:24 UTC |
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HMDB ID | HMDB0112139 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | FAHFA(16:1(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(16:1(9Z)/13-O-18:0), in particular, is formed from the condensation of the carboxy group of palmitoleic acid with the hydroxy group of 13-hydroxyoctadecanoic acid. It is alternatively named 13-POHSA since it is the 13-hydroxy isomer of the POHSA (palmitoleic acid-hydroxystearic acid) family. |
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Structure | [H]\C(CCCCCC)=C(/[H])CCCCCCCC(=O)OC(CCCCC)CCCCCCCCCCCC(O)=O InChI=1S/C34H64O4/c1-3-5-7-8-9-10-11-12-13-17-20-23-27-31-34(37)38-32(28-24-6-4-2)29-25-21-18-15-14-16-19-22-26-30-33(35)36/h10-11,32H,3-9,12-31H2,1-2H3,(H,35,36)/b11-10- |
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Synonyms | Value | Source |
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13-(9Z-Hexadecenoyloxy)-octadecanoic acid | ChEBI | 13-(Palmitoleoyloxy)stearic acid | ChEBI | 13-POHSA | ChEBI | FAHFA(16:1(9Z)/13-O-18:0) | ChEBI | 13-(9Z-Hexadecenoyloxy)-octadecanoate | Generator | 13-(Palmitoleoyloxy)stearate | Generator | 13-[(9Z)-Hexadecenoyloxy]octadecanoate | Generator | 13-(palmitoleoyloxy)octadecanoic acid | SMPDB, HMDB | palmitoleic acid-13-hydroxystearic acid | SMPDB, HMDB |
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Chemical Formula | C34H64O4 |
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Average Molecular Weight | 536.882 |
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Monoisotopic Molecular Weight | 536.480460541 |
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IUPAC Name | 13-[(9Z)-hexadec-9-enoyloxy]octadecanoic acid |
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Traditional Name | 13-[(9Z)-hexadec-9-enoyloxy]octadecanoic acid |
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CAS Registry Number | Not Available |
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SMILES | [H]\C(CCCCCC)=C(/[H])CCCCCCCC(=O)OC(CCCCC)CCCCCCCCCCCC(O)=O |
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InChI Identifier | InChI=1S/C34H64O4/c1-3-5-7-8-9-10-11-12-13-17-20-23-27-31-34(37)38-32(28-24-6-4-2)29-25-21-18-15-14-16-19-22-26-30-33(35)36/h10-11,32H,3-9,12-31H2,1-2H3,(H,35,36)/b11-10- |
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InChI Key | FHXCZZFHUCAQAA-KHPPLWFESA-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 | Not Available |
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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 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 - FAHFA(16:1(9Z)/13-O-18:0) GC-MS (1 TMS) - 70eV, Positive | splash10-052r-7895080000-93bafbb58660feca72f5 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-10-13 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) GC-MS ("FAHFA(16:1(9Z)/13-O-18:0),1TMS,#1" TMS) - 70eV, Positive | Not Available | 2021-10-14 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 10V, Positive-QTOF | splash10-014r-0060190000-0da6ebba257c17184e29 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 20V, Positive-QTOF | splash10-05nr-1190110000-bfdc7751e8885bccfa60 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 40V, Positive-QTOF | splash10-000f-6970000000-9460f85de850e59fcae7 | 2019-02-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 10V, Negative-QTOF | splash10-000i-0050190000-98c6d818881d264078e2 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 20V, Negative-QTOF | splash10-052s-0090020000-2d3b86d2ae76c0c43a20 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 40V, Negative-QTOF | splash10-0a5c-5090000000-268e9813624ad7f02b6a | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 10V, Negative-QTOF | splash10-000i-0000090000-c11a833c24ad3469fb8d | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 20V, Negative-QTOF | splash10-000i-0000090000-c11a833c24ad3469fb8d | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - FAHFA(16:1(9Z)/13-O-18:0) 40V, Negative-QTOF | splash10-0f72-0490040000-fc5951f1f4b16f1c6cbc | 2021-09-23 | 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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