| 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 05:31:50 UTC |
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| Update Date | 2022-11-30 19:26:18 UTC |
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| HMDB ID | HMDB0115690 |
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| Secondary Accession Numbers | None |
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| Metabolite Identification |
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| Common Name | PA(8:0/i-17:0) |
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| Description | PA(8:0/i-17:0) 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/i-17:0), in particular, consists of one chain of caprylic acid at the C-1 position and one chain of isoheptadecanoic 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)CCCCCCCCCCCCCC(C)C InChI=1S/C28H55O8P/c1-4-5-6-14-18-21-27(29)34-23-26(24-35-37(31,32)33)36-28(30)22-19-16-13-11-9-7-8-10-12-15-17-20-25(2)3/h25-26H,4-24H2,1-3H3,(H2,31,32,33)/t26-/m1/s1 |
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| Synonyms | | Value | Source |
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| 1-Capryloyl-2-isoheptadecanoyl-sn-glycero-3-phosphate | HMDB | | 1-Capryloyl-2-isoheptadecanoyl-sn-phosphatidic acid | HMDB | | PA(25:0) | HMDB | | Phosphatidic acid(8:0/i-17:0) | HMDB | | Phosphatidic acid(25:0) | HMDB | | Phosphatidate(8:0/I-17:0) | HMDB | | Phosphatidate(25:0) | HMDB | | [(2R)-2-[(15-Methylhexadecanoyl)oxy]-3-(octanoyloxy)propoxy]phosphonate | HMDB | | PA(8:0/i-17:0) | SMPDB |
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| Chemical Formula | C28H55O8P |
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| Average Molecular Weight | 550.714 |
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| Monoisotopic Molecular Weight | 550.363455729 |
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| IUPAC Name | [(2R)-2-[(15-methylhexadecanoyl)oxy]-3-(octanoyloxy)propoxy]phosphonic acid |
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| Traditional Name | (2R)-2-[(15-methylhexadecanoyl)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)CCCCCCCCCCCCCC(C)C |
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| InChI Identifier | InChI=1S/C28H55O8P/c1-4-5-6-14-18-21-27(29)34-23-26(24-35-37(31,32)33)36-28(30)22-19-16-13-11-9-7-8-10-12-15-17-20-25(2)3/h25-26H,4-24H2,1-3H3,(H2,31,32,33)/t26-/m1/s1 |
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| InChI Key | JCQVBIBVXSLGJP-AREMUKBSSA-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. | 10.77 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 22.5153 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 | 3747.6 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 313.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 270.3 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 179.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 717.1 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1203.5 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 | 1124.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 171.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2235.2 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 818.2 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 | 2095.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 848.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 535.2 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 422.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 507.6 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 | 10.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| PA(8:0/i-17:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 3764.2 | Semi standard non polar | 33892256 | | PA(8:0/i-17:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 3393.0 | Standard non polar | 33892256 | | PA(8:0/i-17:0),1TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 4765.6 | Standard polar | 33892256 | | PA(8:0/i-17:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 3777.1 | Semi standard non polar | 33892256 | | PA(8:0/i-17:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 3432.1 | Standard non polar | 33892256 | | PA(8:0/i-17:0),2TMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O[Si](C)(C)C)O[Si](C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 4133.1 | Standard polar | 33892256 | | PA(8:0/i-17:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 3993.4 | Semi standard non polar | 33892256 | | PA(8:0/i-17:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 3535.1 | Standard non polar | 33892256 | | PA(8:0/i-17:0),1TBDMS,isomer #1 | CCCCCCCC(=O)OC[C@H](COP(=O)(O)O[Si](C)(C)C(C)(C)C)OC(=O)CCCCCCCCCCCCCC(C)C | 4800.9 | Standard polar | 33892256 | | PA(8:0/i-17:0),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)CCCCCCCCCCCCCC(C)C | 4253.6 | Semi standard non polar | 33892256 | | PA(8:0/i-17:0),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)CCCCCCCCCCCCCC(C)C | 3660.0 | Standard non polar | 33892256 | | PA(8:0/i-17:0),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)CCCCCCCCCCCCCC(C)C | 4245.1 | 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/i-17:0) 10V, Positive-QTOF | splash10-0udi-2590350000-f15a64f7a7ef9bacf47d | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 20V, Positive-QTOF | splash10-0f92-7590210000-1e15ac72a6715031af28 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 40V, Positive-QTOF | splash10-0ug0-9371200000-21756c78b538ba10ee78 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 10V, Negative-QTOF | splash10-004m-4960030000-87213c543765ec1ec709 | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 20V, Negative-QTOF | splash10-004i-9410000000-a2dd311f071e51080d8c | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 40V, Negative-QTOF | splash10-004i-9000000000-70eb4beb094aec6045df | 2019-02-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 10V, Positive-QTOF | splash10-0f89-0000090000-3646ae5762b62202a79a | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 20V, Positive-QTOF | splash10-0udi-0000590000-12ae62584c025668db80 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 40V, Positive-QTOF | splash10-0zgi-0030910000-1361d53b64d249608731 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 10V, Negative-QTOF | splash10-0002-0000090000-8a4bacc720adad0c098f | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 20V, Negative-QTOF | splash10-05r5-0490440000-2523dc5617e8daae10dc | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 40V, Negative-QTOF | splash10-00kf-1970210000-ffd19ede74f2c8847e19 | 2021-09-22 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 10V, Positive-QTOF | splash10-00di-0000090000-a68662f9140d8e91a028 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 20V, Positive-QTOF | splash10-00i0-0000990000-73c83f7b6e606493440b | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - PA(8:0/i-17:0) 40V, Positive-QTOF | splash10-0fmi-0006940000-45294b4db41fda5c86a1 | 2021-09-23 | Wishart Lab | View Spectrum |
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