| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2008-10-29 14:20:42 UTC |
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| Update Date | 2022-11-30 19:03:55 UTC |
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| HMDB ID | HMDB0011145 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | PA(O-16:0/18:0) |
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| Description | 2-octadecanoyl-1-hexadecyl-sn-glycero-3-phosphate is an intermediate in ether lipid metabolism. 2-octadecanoyl-1-hexadecyl-sn-glycero-3-phosphate is converted from 1-octadecyl-glycerone-3-phosphate via 1-acylglycerol-3-phosphate O-acyltransferase. (EC: 2.3.1.51). Ether lipids are lipids in which one or more of the carbon atoms on glycerol is bonded to an alkyl chain via an ether linkage, as opposed to the usual ester linkage. Ether lipids are called plasmalogens (1-O-1'-alkenyl-2-acylglycerophospholipids) if these are glycerol-containing phospholipids with an unsaturated O-(1-alkenyl) (vinyl ether) group at the first position on the glycerol chain. Plasmalogens as well as some 1-O-alkyl lipids are ubiquitous and sometimes major parts of the cell membranes in mammals and anaerobic bacteria. In archaea, ether lipids are the major polar lipids in the cell envelope and their abundance is one of the major characteristics that separate this group of prokaryotes from the bacteria. In these cells, diphytanylglycerolipids or bipolar macrocyclic tetraethers can form covalently linked bilayers. |
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| Structure | [H][C@@](COCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC InChI=1S/C37H75O7P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-37(38)44-36(35-43-45(39,40)41)34-42-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h36H,3-35H2,1-2H3,(H2,39,40,41)/t36-/m1/s1 |
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| Synonyms | | Value | Source |
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| 2-Octadecanoyl-1-hexadecyl-sn-glycero-3-phosphate | HMDB | | PA(O-16:0/18:0) | HMDB |
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| Chemical Formula | C37H75O7P |
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| Average Molecular Weight | 662.974 |
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| Monoisotopic Molecular Weight | 662.525041753 |
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| IUPAC Name | [(2R)-3-(hexadecyloxy)-2-(octadecanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-(hexadecyloxy)-2-(octadecanoyloxy)propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COCCCCCCCCCCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCCCCCCCC |
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| InChI Identifier | InChI=1S/C37H75O7P/c1-3-5-7-9-11-13-15-17-19-20-22-24-26-28-30-32-37(38)44-36(35-43-45(39,40)41)34-42-33-31-29-27-25-23-21-18-16-14-12-10-8-6-4-2/h36H,3-35H2,1-2H3,(H2,39,40,41)/t36-/m1/s1 |
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| InChI Key | BIMPCBJDAYKNLD-PSXMRANNSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 1-alkyl,2-acylglycerophosphates. These are glycerophosphates in which the O-1 atom of the glycerol is bonded to a fatty acid (saturated or unsaturated) through an ether linkage, and the O-2 atom is bonded to another fatty acid through an ester linkage. |
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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-alkyl,2-acylglycerophosphates |
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| Alternative Parents | |
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| Substituents | - 1-alkyl,2-acyl-glycerol-3-phosphate
- Fatty acid ester
- Monoalkyl phosphate
- Glycerol ether
- Organic phosphoric acid derivative
- Fatty acyl
- Alkyl phosphate
- Phosphoric acid ester
- Carboxylic acid ester
- Carboxylic acid derivative
- Dialkyl ether
- Ether
- Monocarboxylic acid or derivatives
- Carbonyl group
- Organic oxide
- Organic oxygen compound
- Hydrocarbon derivative
- 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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| Physiological effect | |
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| Disposition | |
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| Process | |
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| Role | |
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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. | 10.43 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 34.077 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.09 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 74.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4882.3 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 628.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 370.0 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 248.4 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 966.9 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1685.0 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 | 1547.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 226.5 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3407.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1029.4 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 | 2787.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1326.4 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 702.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 791.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 790.0 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 | 9.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(O-16:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 4634.2 | Semi standard non polar | 33892256 | | PA(O-16:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 4264.4 | Standard non polar | 33892256 | | PA(O-16:0/18:0),1TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C | 5569.9 | Standard polar | 33892256 | | PA(O-16:0/18:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4597.7 | Semi standard non polar | 33892256 | | PA(O-16:0/18:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4255.8 | Standard non polar | 33892256 | | PA(O-16:0/18:0),2TMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4852.6 | Standard polar | 33892256 | | PA(O-16:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4900.7 | Semi standard non polar | 33892256 | | PA(O-16:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4361.3 | Standard non polar | 33892256 | | PA(O-16:0/18:0),1TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5531.6 | Standard polar | 33892256 | | PA(O-16:0/18:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 5147.7 | Semi standard non polar | 33892256 | | PA(O-16:0/18:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4459.9 | Standard non polar | 33892256 | | PA(O-16:0/18:0),2TBDMS,isomer #1 | CCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCC)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4943.9 | 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(O-16:0/18:0) GC-MS (Non-derivatized) - 70eV, Positive | splash10-0002-9362652000-e3c1e1e26c9d0956f777 | 2017-09-01 | 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(O-16:0/18:0) 10V, Positive-QTOF | splash10-02vj-0095035000-abc1e4ed109c621aad65 | 2015-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 20V, Positive-QTOF | splash10-00os-1092021000-dfd123715459896c106b | 2015-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 40V, Positive-QTOF | splash10-00mt-1290020000-6064c23505566aa5059f | 2015-09-14 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 10V, Negative-QTOF | splash10-01u1-7196106000-8d7ebe09b68b4da24a2e | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 20V, Negative-QTOF | splash10-004i-9020000000-316de4578cc6c723846a | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 40V, Negative-QTOF | splash10-004i-9010000000-673edd9596ecce23c64f | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 10V, Positive-QTOF | splash10-014i-1031293000-5835d0fa74d0a96f2017 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 20V, Positive-QTOF | splash10-030a-9111583000-3ab27336202728521d55 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 40V, Positive-QTOF | splash10-0a4i-1985100000-406509471bc80dee7a37 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 10V, Negative-QTOF | splash10-03di-1000009000-7ebcbed37497909d70bf | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 20V, Negative-QTOF | splash10-004j-9000001000-6ceb500438606d761db0 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(O-16:0/18:0) 40V, Negative-QTOF | splash10-004j-9010000000-c1d1f1fe9603beb34469 | 2021-09-25 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-23 | Wishart Lab | View Spectrum |
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