Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2021-08-28 15:26:28 UTC |
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Update Date | 2021-09-26 22:35:32 UTC |
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HMDB ID | HMDB0242201 |
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Secondary Accession Numbers | None |
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Metabolite Identification |
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Common Name | (-)-alpha-Tocopherol |
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Description | α-tocopherol belongs to the class of organic compounds known as tocopherols. These are vitamin E derivatives containing a saturated trimethyltridecyl chain attached to the carbon C6 atom of a benzopyran ring system. The differ from tocotrienols that contain an unsaturated trimethyltrideca-3,7,11-trien-1-yl chain. Based on a literature review a significant number of articles have been published on α-tocopherol. This compound has been identified in human blood as reported by (PMID: 31557052 ). (-)-alpha-tocopherol is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically (-)-alpha-Tocopherol is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources. |
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Structure | CC(C)CCCC(C)CCCC(C)CCCC1(C)CCC2=C(C)C(O)=C(C)C(C)=C2O1 InChI=1S/C29H50O2/c1-20(2)12-9-13-21(3)14-10-15-22(4)16-11-18-29(8)19-17-26-25(7)27(30)23(5)24(6)28(26)31-29/h20-22,30H,9-19H2,1-8H3 |
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Synonyms | Value | Source |
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Vitamin e | MeSH, HMDB | (-)-a-Tocopherol | Generator | (-)-Α-tocopherol | Generator |
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Chemical Formula | C29H50O2 |
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Average Molecular Weight | 430.717 |
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Monoisotopic Molecular Weight | 430.38108085 |
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IUPAC Name | 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-ol |
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Traditional Name | vita E |
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CAS Registry Number | Not Available |
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SMILES | CC(C)CCCC(C)CCCC(C)CCCC1(C)CCC2=C(C)C(O)=C(C)C(C)=C2O1 |
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InChI Identifier | InChI=1S/C29H50O2/c1-20(2)12-9-13-21(3)14-10-15-22(4)16-11-18-29(8)19-17-26-25(7)27(30)23(5)24(6)28(26)31-29/h20-22,30H,9-19H2,1-8H3 |
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InChI Key | GVJHHUAWPYXKBD-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as tocopherols. These are vitamin E derivatives containing a saturated trimethyltridecyl chain attached to the carbon C6 atom of a benzopyran ring system. The differ from tocotrienols that contain an unsaturated trimethyltrideca-3,7,11-trien-1-yl chain. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Prenol lipids |
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Sub Class | Quinone and hydroquinone lipids |
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Direct Parent | Tocopherols |
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Alternative Parents | |
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Substituents | - Tocopherol
- Diterpenoid
- 1-benzopyran
- Benzopyran
- Chromane
- Alkyl aryl ether
- Benzenoid
- Oxacycle
- Organoheterocyclic compound
- Ether
- Organic oxygen compound
- Hydrocarbon derivative
- Organooxygen compound
- Aromatic heteropolycyclic compound
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | |
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Physical Properties |
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State | Not Available |
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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 Kovats Retention IndicesDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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(-)-alpha-Tocopherol,1TMS,isomer #1 | CC1=C(C)C2=C(CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2)C(C)=C1O[Si](C)(C)C | 3157.3 | Semi standard non polar | 33892256 | (-)-alpha-Tocopherol,1TMS,isomer #1 | CC1=C(C)C2=C(CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2)C(C)=C1O[Si](C)(C)C | 2975.2 | Standard non polar | 33892256 | (-)-alpha-Tocopherol,1TMS,isomer #1 | CC1=C(C)C2=C(CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2)C(C)=C1O[Si](C)(C)C | 3032.8 | Standard polar | 33892256 | (-)-alpha-Tocopherol,1TBDMS,isomer #1 | CC1=C(C)C2=C(CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2)C(C)=C1O[Si](C)(C)C(C)(C)C | 3415.8 | Semi standard non polar | 33892256 | (-)-alpha-Tocopherol,1TBDMS,isomer #1 | CC1=C(C)C2=C(CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2)C(C)=C1O[Si](C)(C)C(C)(C)C | 3162.1 | Standard non polar | 33892256 | (-)-alpha-Tocopherol,1TBDMS,isomer #1 | CC1=C(C)C2=C(CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2)C(C)=C1O[Si](C)(C)C(C)(C)C | 3162.6 | Standard polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-ol GC-MS (Non-derivatized) - 70eV, Positive | splash10-0aor-9886300000-b3225facac6ebdd8ddbd | 2018-04-09 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-ol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - 2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-ol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 10V, Negative-QTOF | splash10-004i-0110900000-d5b620320c97f00ad562 | 2015-05-27 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 20V, Negative-QTOF | splash10-01t9-0730900000-36e33000e46f480ceb9d | 2015-05-27 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 40V, Negative-QTOF | splash10-03e9-0921200000-7c36ba360f71f0d4b512 | 2015-05-27 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 10V, Negative-QTOF | splash10-004i-0000900000-d3ddef81c134412455e1 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 20V, Negative-QTOF | splash10-004i-0310900000-30597e14cf876e4e4764 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 40V, Negative-QTOF | splash10-08g0-2982400000-371737325df4dbb523b2 | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 10V, Positive-QTOF | splash10-001i-0742900000-e04f7b35db8df7846abb | 2015-05-27 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 20V, Positive-QTOF | splash10-014i-1910000000-cc361786eb3f51f45d19 | 2015-05-27 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 40V, Positive-QTOF | splash10-066r-3930000000-979a3e4c33d64d0c6215 | 2015-05-27 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 10V, Positive-QTOF | splash10-001i-3003900000-22e1cd43cc0d836c7bed | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 20V, Positive-QTOF | splash10-05r1-9313200000-cbc230d5dd20c629ffab | 2021-10-12 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (-)-alpha-Tocopherol 40V, Positive-QTOF | splash10-0a4i-9320000000-5958d2e1d5b687b012c1 | 2021-10-12 | Wishart Lab | View Spectrum |
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