| 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 03:11:15 UTC |
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| Update Date | 2022-11-30 19:25:59 UTC |
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| HMDB ID | HMDB0114954 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(18:2(9Z,12Z)/18:2(9Z,12Z)) |
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| Description | PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 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(18:2(9Z,12Z)/18:2(9Z,12Z)), in particular, consists of one chain of linoleic acid at the C-1 position and one chain of linoleic 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\C=C/C\C=C/CCCCC)(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC InChI=1S/C39H69O8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h11-14,17-20,37H,3-10,15-16,21-36H2,1-2H3,(H2,42,43,44)/b13-11-,14-12-,19-17-,20-18-/t37-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1,2-Di(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphate | ChEBI | | 1-18:2-2-18:2-Phosphatidic acid | ChEBI | | 18:2-18:2-PA | ChEBI | | PA(18:2/18:2) | ChEBI | | 1,2-Di(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphoric acid | Generator | | 1-18:2-2-18:2-Phosphatidate | Generator | | 1-Linoleoyl-2-linoleoyl-sn-glycero-3-phosphate | HMDB | | 1-Linoleoyl-2-linoleoyl-sn-phosphatidic acid | HMDB | | PA(18:2N6/18:2N6) | HMDB | | PA(18:2W6/18:2W6) | HMDB | | PA(36:4) | HMDB | | Phosphatidic acid(18:2(9Z,12Z)/18:2(9Z,12Z)) | HMDB | | Phosphatidic acid(18:2/18:2) | HMDB | | Phosphatidic acid(18:2n6/18:2n6) | HMDB | | Phosphatidic acid(18:2W6/18:2W6) | HMDB | | Phosphatidic acid(36:4) | HMDB | | Phosphatidate(18:2(9Z,12Z)/18:2(9Z,12Z)) | HMDB | | Phosphatidate(18:2/18:2) | HMDB | | Phosphatidate(18:2N6/18:2N6) | HMDB | | Phosphatidate(18:2W6/18:2W6) | HMDB | | Phosphatidate(36:4) | HMDB | | 1-linoleoyl-2-linoleoyl-sn-glycero-3-phosphate | SMPDB, HMDB | | 1-linoleoyl-2-linoleoyl-sn-phosphatidic acid | SMPDB, HMDB | | PA(18:2/18:2) | SMPDB, ChEBI | | PA(18:2n6/18:2n6) | SMPDB, HMDB | | PA(18:2w6/18:2w6) | SMPDB, HMDB | | PA(36:4) | SMPDB, HMDB | | Phosphatidic acid(18:2(9Z,12Z)/18:2(9Z,12Z)) | SMPDB, HMDB | | Phosphatidic acid(18:2/18:2) | SMPDB, HMDB | | Phosphatidic acid(18:2n6/18:2n6) | SMPDB, HMDB | | Phosphatidic acid(18:2w6/18:2w6) | SMPDB, HMDB | | Phosphatidic acid(36:4) | SMPDB, HMDB | | Phosphatidate(18:2(9Z,12Z)/18:2(9Z,12Z)) | SMPDB, HMDB | | Phosphatidate(18:2/18:2) | SMPDB, HMDB | | Phosphatidate(18:2n6/18:2n6) | SMPDB, HMDB | | Phosphatidate(18:2w6/18:2w6) | SMPDB, HMDB | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)) | SMPDB |
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| Chemical Formula | C39H69O8P |
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| Average Molecular Weight | 696.947 |
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| Monoisotopic Molecular Weight | 696.47300618 |
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| IUPAC Name | [(2R)-2,3-bis[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxy]phosphonic acid |
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| Traditional Name | (2R)-2,3-bis[(9Z,12Z)-octadeca-9,12-dienoyloxy]propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCC\C=C/C\C=C/CCCCC)(COP(O)(O)=O)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC |
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| InChI Identifier | InChI=1S/C39H69O8P/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h11-14,17-20,37H,3-10,15-16,21-36H2,1-2H3,(H2,42,43,44)/b13-11-,14-12-,19-17-,20-18-/t37-/m1/s1 |
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| InChI Key | OBXRDFNCKFWKNY-UCEXZFFASA-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 | |
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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 | 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. | 7.57 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 33.9815 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.94 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 5034.0 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 473.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 330.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 264.1 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1105.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1810.2 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 | 1152.9 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 241.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3488.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1150.7 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 | 2753.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1303.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 713.7 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 477.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 830.8 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 | 10.6 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(18:2(9Z,12Z)/18:2(9Z,12Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 4933.4 | Semi standard non polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 4362.1 | Standard non polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),1TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 5473.9 | Standard polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 4909.4 | Semi standard non polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 4325.7 | Standard non polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),2TMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 4720.7 | Standard polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 5156.3 | Semi standard non polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 4464.1 | Standard non polar | 33892256 | | PA(18:2(9Z,12Z)/18:2(9Z,12Z)),1TBDMS,isomer #1 | CCCCC/C=C\C/C=C\CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCC/C=C\C/C=C\CCCCC | 5458.3 | Standard polar | 33892256 |
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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 - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) GC-MS (TMS_2_1) - 70eV, Positive | Not Available | 2022-08-08 | 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 - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 10V, Positive-QTOF | splash10-00kb-1152927000-469d3da69a260ff2462f | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 20V, Positive-QTOF | splash10-02ft-4296663000-184adb2ba07a129fe186 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 40V, Positive-QTOF | splash10-00y0-1169252000-529a624fbc9a56bea1e0 | 2019-02-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 10V, Negative-QTOF | splash10-01ta-4090303000-eeca95f5dde6bb95cc07 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 20V, Negative-QTOF | splash10-004i-9050000000-41b686a0bf4440ff6460 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 40V, Negative-QTOF | splash10-004i-9000000000-9a49b606500412411a75 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 10V, Positive-QTOF | splash10-014i-0000000900-880d5930a7c08196e5c4 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 20V, Positive-QTOF | splash10-01i0-0000009900-5d255d71254b516f42e9 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 40V, Positive-QTOF | splash10-06dr-0000903600-856242ef794e8ad4ca25 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 10V, Positive-QTOF | splash10-004j-0000009000-8b88b98eab7e161d5872 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 20V, Positive-QTOF | splash10-0002-0000059000-63d74b98d40aee73f8c4 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 40V, Positive-QTOF | splash10-00kb-0000693000-105ee73ec67f5e7fbdb3 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 10V, Negative-QTOF | splash10-0002-0000009000-1893c50f1f6cce1e67a0 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 20V, Negative-QTOF | splash10-00mk-1160709000-6c8ef985f7d2d70a36dd | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(18:2(9Z,12Z)/18:2(9Z,12Z)) 40V, Negative-QTOF | splash10-004i-1190301000-99c05a1652fa96a91177 | 2021-09-25 | Wishart Lab | View Spectrum |
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