Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2017-09-09 04:50:56 UTC |
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Update Date | 2022-11-30 19:26:13 UTC |
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HMDB ID | HMDB0115491 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | PA(8:0/20:0) |
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Description | PA(8:0/20:0) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(8:0/20:0), in particular, consists of one chain of caprylic acid at the C-1 position and one chain of arachidic acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids. |
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Structure | [H][C@@](COC(=O)CCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC InChI=1S/C31H61O8P/c1-3-5-7-9-10-11-12-13-14-15-16-17-18-19-20-22-24-26-31(33)39-29(28-38-40(34,35)36)27-37-30(32)25-23-21-8-6-4-2/h29H,3-28H2,1-2H3,(H2,34,35,36)/t29-/m1/s1 |
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Synonyms | Value | Source |
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1-capryloyl-2-arachidoyl-sn-glycero-3-phosphate | SMPDB, HMDB | 1-capryloyl-2-arachidoyl-sn-phosphatidic acid | SMPDB, HMDB | PA(28:0) | SMPDB, HMDB | Phosphatidic acid(8:0/20:0) | SMPDB, HMDB | Phosphatidic acid(28:0) | SMPDB, HMDB | Phosphatidate(8:0/20:0) | SMPDB, HMDB | Phosphatidate(28:0) | SMPDB, HMDB | PA(8:0/20:0) | SMPDB | [(2R)-2-(Icosanoyloxy)-3-(octanoyloxy)propoxy]phosphonate | Generator, HMDB |
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Chemical Formula | C31H61O8P |
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Average Molecular Weight | 592.795 |
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Monoisotopic Molecular Weight | 592.410405922 |
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IUPAC Name | [(2R)-2-(icosanoyloxy)-3-(octanoyloxy)propoxy]phosphonic acid |
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Traditional Name | (2R)-2-(icosanoyloxy)-3-(octanoyloxy)propoxyphosphonic acid |
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CAS Registry Number | Not Available |
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SMILES | [H][C@@](COC(=O)CCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCCCC |
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InChI Identifier | InChI=1S/C31H61O8P/c1-3-5-7-9-10-11-12-13-14-15-16-17-18-19-20-22-24-26-31(33)39-29(28-38-40(34,35)36)27-37-30(32)25-23-21-8-6-4-2/h29H,3-28H2,1-2H3,(H2,34,35,36)/t29-/m1/s1 |
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InChI Key | YCUNOEDZPAZONH-GDLZYMKVSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as 1,2-diacylglycerol-3-phosphates. These are glycerol-3-phosphates in which the glycerol moiety is bonded to two aliphatic chains through ester linkages. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Glycerophospholipids |
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Sub Class | Glycerophosphates |
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Direct Parent | 1,2-diacylglycerol-3-phosphates |
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Alternative Parents | |
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Substituents | - 1,2-diacylglycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Dicarboxylic acid or derivatives
- Fatty acyl
- Alkyl phosphate
- Phosphoric acid ester
- Organic phosphoric acid derivative
- Carboxylic acid ester
- Carboxylic acid derivative
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Carbonyl group
- Organooxygen compound
- 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 | |
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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 IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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PA(8:0/20:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O)O[Si](C)(C)C | 4094.4 | Semi standard non polar | 33892256 | PA(8:0/20:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O)O[Si](C)(C)C | 3756.9 | Standard non polar | 33892256 | PA(8:0/20:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O)O[Si](C)(C)C | 5199.2 | Standard polar | 33892256 | PA(8:0/20:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4093.8 | Semi standard non polar | 33892256 | PA(8:0/20:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 3775.7 | Standard non polar | 33892256 | PA(8:0/20:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4513.0 | Standard polar | 33892256 | PA(8:0/20:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4344.9 | Semi standard non polar | 33892256 | PA(8:0/20:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 3892.3 | Standard non polar | 33892256 | PA(8:0/20:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5220.6 | Standard polar | 33892256 | PA(8:0/20:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4626.3 | Semi standard non polar | 33892256 | PA(8:0/20:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4006.5 | Standard non polar | 33892256 | PA(8:0/20:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COC(=O)CCCCCCC)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4609.6 | Standard polar | 33892256 |
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| MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 10V, Positive-QTOF | splash10-002b-2691450000-7746ba8e7072862408d6 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 20V, Positive-QTOF | splash10-0002-4591210000-968086592d702823b32f | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 40V, Positive-QTOF | splash10-0udi-5391110000-18c5db3dc8ba3cf49461 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 10V, Negative-QTOF | splash10-004l-4942030000-ba51bb5507c5a2dfb5c8 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 20V, Negative-QTOF | splash10-004i-9400000000-901261020f8efba6769a | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 40V, Negative-QTOF | splash10-004i-9000000000-a6ff9a9ee012cb343875 | 2019-02-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 10V, Negative-QTOF | splash10-0006-0000090000-1c82cd99c44c2375288b | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 20V, Negative-QTOF | splash10-002g-1695670000-907b1af6617c71f82423 | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 40V, Negative-QTOF | splash10-01ox-1925210000-dde2607207c92ed7254b | 2021-09-21 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 10V, Positive-QTOF | splash10-014i-0000009000-040b307a1355037f9d22 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 20V, Positive-QTOF | splash10-014i-0000099000-82f5ab12f1e9b6f2a9e8 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 40V, Positive-QTOF | splash10-0gi0-0008945000-fab9dbd767d5cc913309 | 2021-09-22 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 10V, Positive-QTOF | splash10-004l-0000090000-bf090e20d3095d33806a | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 20V, Positive-QTOF | splash10-0007-0000590000-e0ff9de39087d2c636ec | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/20:0) 40V, Positive-QTOF | splash10-0002-0030910000-da046a5bf39082c8249b | 2021-09-25 | Wishart Lab | View Spectrum |
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