| 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 06:28:26 UTC |
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| Update Date | 2022-11-30 19:26:24 UTC |
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| HMDB ID | HMDB0115932 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(i-24:0/8:0) |
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| Description | PA(i-24:0/8:0) 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(i-24:0/8:0), in particular, consists of one chain of isotetracosanoic acid at the C-1 position and one chain of caprylic 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)CCCCCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCC InChI=1S/C35H69O8P/c1-4-5-6-21-26-29-35(37)43-33(31-42-44(38,39)40)30-41-34(36)28-25-23-20-18-16-14-12-10-8-7-9-11-13-15-17-19-22-24-27-32(2)3/h32-33H,4-31H2,1-3H3,(H2,38,39,40)/t33-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Isotetracosanoyl-2-capryloyl-sn-glycero-3-phosphate | HMDB | | 1-Isotetracosanoyl-2-capryloyl-sn-phosphatidic acid | HMDB | | PA(32:0) | HMDB | | Phosphatidic acid(i-24:0/8:0) | HMDB | | Phosphatidic acid(32:0) | HMDB | | Phosphatidate(I-24:0/8:0) | HMDB | | Phosphatidate(32:0) | HMDB | | [(2R)-3-[(22-Methyltricosanoyl)oxy]-2-(octanoyloxy)propoxy]phosphonate | HMDB | | PA(i-24:0/8:0) | SMPDB |
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| Chemical Formula | C35H69O8P |
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| Average Molecular Weight | 648.903 |
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| Monoisotopic Molecular Weight | 648.47300618 |
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| IUPAC Name | [(2R)-3-[(22-methyltricosanoyl)oxy]-2-(octanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-3-[(22-methyltricosanoyl)oxy]-2-(octanoyloxy)propoxyphosphonic acid |
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| CAS Registry Number | Not Available |
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| SMILES | [H][C@@](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)(COP(O)(O)=O)OC(=O)CCCCCCC |
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| InChI Identifier | InChI=1S/C35H69O8P/c1-4-5-6-21-26-29-35(37)43-33(31-42-44(38,39)40)30-41-34(36)28-25-23-20-18-16-14-12-10-8-7-9-11-13-15-17-19-22-24-27-32(2)3/h32-33H,4-31H2,1-3H3,(H2,38,39,40)/t33-/m1/s1 |
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| InChI Key | GXLIIEJAMHQRDN-MGBGTMOVSA-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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| 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. Predicted by Afia on May 17, 2022. | 10.9 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 30.5609 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.29 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 4582.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 516.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 335.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 209.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 896.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1553.5 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 | 1424.0 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 174.4 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 3000.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 988.2 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 | 2604.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1150.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 657.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 638.1 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 690.3 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 | 8.8 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(i-24:0/8:0),1TMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 4460.9 | Semi standard non polar | 33892256 | | PA(i-24:0/8:0),1TMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 3972.5 | Standard non polar | 33892256 | | PA(i-24:0/8:0),1TMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C | 5470.4 | Standard polar | 33892256 | | PA(i-24:0/8:0),2TMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4460.3 | Semi standard non polar | 33892256 | | PA(i-24:0/8:0),2TMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4002.1 | Standard non polar | 33892256 | | PA(i-24:0/8:0),2TMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C | 4767.3 | Standard polar | 33892256 | | PA(i-24:0/8:0),1TBDMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4691.7 | Semi standard non polar | 33892256 | | PA(i-24:0/8:0),1TBDMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 4099.0 | Standard non polar | 33892256 | | PA(i-24:0/8:0),1TBDMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O)O[Si](C)(C)C(C)(C)C | 5452.8 | Standard polar | 33892256 | | PA(i-24:0/8:0),2TBDMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4950.7 | Semi standard non polar | 33892256 | | PA(i-24:0/8:0),2TBDMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4208.6 | Standard non polar | 33892256 | | PA(i-24:0/8:0),2TBDMS,isomer #1 | CCCCCCCC(=O)O[C@H](COC(=O)CCCCCCCCCCCCCCCCCCCCC(C)C)COP(=O)(O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 4858.2 | 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(i-24:0/8:0) 10V, Positive-QTOF | splash10-0f9t-3926177000-725e4afdc2af37c34f8b | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 20V, Positive-QTOF | splash10-0kbb-9816251000-a7830ef40ca7dd26b0ae | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 40V, Positive-QTOF | splash10-0570-9205330000-28b0362c33823b057b64 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 10V, Negative-QTOF | splash10-00kb-4309033000-a1f268e4776a08ab1660 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 20V, Negative-QTOF | splash10-004j-9105000000-a7ec6b54ccbd62589f68 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 40V, Negative-QTOF | splash10-004i-9000000000-b67304b48a40a70030e7 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 10V, Positive-QTOF | splash10-00di-0000009000-8e723670c2d6da7d1500 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 20V, Positive-QTOF | splash10-00di-0000099000-cef7e1d91751b702106e | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 40V, Positive-QTOF | splash10-0fk9-0006094000-8ae5afbeb869e11cdf6c | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 10V, Negative-QTOF | splash10-0002-0000009000-5d6932d42201ac99e40a | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 20V, Negative-QTOF | splash10-0v05-1665097000-cfbc47af864fa1f5ca12 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 40V, Negative-QTOF | splash10-014l-1739031000-edfc8eb41fbdf08c7386 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 10V, Positive-QTOF | splash10-001j-0000009000-6c5d51790d44b8f28697 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 20V, Positive-QTOF | splash10-0f6t-0000059000-f0c15a320524af660ac4 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(i-24:0/8:0) 40V, Positive-QTOF | splash10-0zgi-0030091000-6687d762b91c905be9fe | 2021-09-25 | Wishart Lab | View Spectrum |
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