| 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 05:30:27 UTC |
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| Update Date | 2022-11-30 19:26:18 UTC |
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| HMDB ID | HMDB0115681 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(8:0/a-15:0) |
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| Description | PA(8:0/a-15:0) 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/a-15:0), in particular, consists of one chain of caprylic acid at the C-1 position and one chain of anteisopentadecanoic 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)CCCCCCCCCCC(C)CC InChI=1S/C26H51O8P/c1-4-6-7-12-16-19-25(27)32-21-24(22-33-35(29,30)31)34-26(28)20-17-14-11-9-8-10-13-15-18-23(3)5-2/h23-24H,4-22H2,1-3H3,(H2,29,30,31)/t23?,24-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Capryloyl-2-anteisopentadecanoyl-sn-glycero-3-phosphate | HMDB | | 1-Capryloyl-2-anteisopentadecanoyl-sn-phosphatidic acid | HMDB | | PA(23:0) | HMDB | | Phosphatidic acid(8:0/a-15:0) | HMDB | | Phosphatidic acid(23:0) | HMDB | | Phosphatidate(8:0/A-15:0) | HMDB | | Phosphatidate(23:0) | HMDB | | [(2R)-2-[(12-Methyltetradecanoyl)oxy]-3-(octanoyloxy)propoxy]phosphonate | HMDB | | PA(8:0/a-15:0) | SMPDB |
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| Chemical Formula | C26H51O8P |
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| Average Molecular Weight | 522.66 |
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| Monoisotopic Molecular Weight | 522.3321556 |
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| IUPAC Name | [(2R)-2-[(12-methyltetradecanoyl)oxy]-3-(octanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(12-methyltetradecanoyl)oxy]-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)CCCCCCCCCCC(C)CC |
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| InChI Identifier | InChI=1S/C26H51O8P/c1-4-6-7-12-16-19-25(27)32-21-24(22-33-35(29,30)31)34-26(28)20-17-14-11-9-8-10-13-15-18-23(3)5-2/h23-24H,4-22H2,1-3H3,(H2,29,30,31)/t23?,24-/m1/s1 |
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| InChI Key | HAUZGVYNAIHXNG-XMMISQBUSA-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 | |
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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 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. | 11.56 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 20.3713 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.43 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3472.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 293.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 258.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 179.0 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 679.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1131.2 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 | 1055.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 168.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2046.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 783.4 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 | 1976.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 762.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 508.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 343.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 449.0 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 | 12.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(8:0/a-15:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3574.4 | Semi standard non polar | 33892256 | | PA(8:0/a-15:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3164.9 | Standard non polar | 33892256 | | PA(8:0/a-15:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 4560.0 | Standard polar | 33892256 | | PA(8:0/a-15:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3594.2 | Semi standard non polar | 33892256 | | PA(8:0/a-15:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3189.5 | Standard non polar | 33892256 | | PA(8:0/a-15:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3953.8 | Standard polar | 33892256 | | PA(8:0/a-15:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3814.3 | Semi standard non polar | 33892256 | | PA(8:0/a-15:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3321.4 | Standard non polar | 33892256 | | PA(8:0/a-15:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 4603.3 | Standard polar | 33892256 | | PA(8:0/a-15:0),2TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 4065.2 | Semi standard non polar | 33892256 | | PA(8:0/a-15:0),2TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 3449.2 | Standard non polar | 33892256 | | PA(8:0/a-15:0),2TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCC(C)CC | 4075.8 | Standard polar | 33892256 |
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| 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 - PA(8:0/a-15:0) 10V, Positive-QTOF | splash10-004i-2692240000-2ead817b429be924c58a | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 20V, Positive-QTOF | splash10-004j-7971100000-c70f9233989a7a945bf5 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 40V, Positive-QTOF | splash10-0fic-9630200000-6314d05e17193d3b7d8b | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 10V, Negative-QTOF | splash10-004l-4960030000-7da4e4d0a973e8bd84c4 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 20V, Negative-QTOF | splash10-004i-9410000000-94d37887da8e755a62ff | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 40V, Negative-QTOF | splash10-004i-9000000000-19b3315bdad5c1a2595f | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 10V, Positive-QTOF | splash10-0ab9-0000090000-68a69efe144a98b69bd3 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 20V, Positive-QTOF | splash10-00fr-0000590000-606cc8b009c527a9e2c4 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 40V, Positive-QTOF | splash10-004i-0066930000-2a9d4172a65517f560f0 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 10V, Negative-QTOF | splash10-00di-0000090000-30709640b1dba804391e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 20V, Negative-QTOF | splash10-00bc-0494040000-0b1a845727ccaaec7ce5 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 40V, Negative-QTOF | splash10-0006-1972010000-845f4c9fac270a722d53 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 10V, Positive-QTOF | splash10-0002-0000090000-c7cff9209a7b43f5a733 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 20V, Positive-QTOF | splash10-0002-0000990000-99afb96d1170931fcc8c | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/a-15:0) 40V, Positive-QTOF | splash10-0udj-0006940000-05c01a35a256b8cca0cb | 2021-09-25 | Wishart Lab | View Spectrum |
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