| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-11 19:03:28 UTC |
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| Update Date | 2022-03-07 02:54:02 UTC |
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| HMDB ID | HMDB0034254 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | eta-Tocopherol |
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| Description | eta-Tocopherol, also known as η-tocopherol, belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units. Based on a literature review a small amount of articles have been published on eta-Tocopherol. |
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| Structure | CC(C)CCCC(C)CCCC(C)CCCC1(C)CCC2=C(O1)C=C(C)C(O)=C2 InChI=1S/C27H46O2/c1-20(2)10-7-11-21(3)12-8-13-22(4)14-9-16-27(6)17-15-24-19-25(28)23(5)18-26(24)29-27/h18-22,28H,7-17H2,1-6H3 |
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| Synonyms | | Value | Source |
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| Η-tocopherol | Generator | | 7-Methyltocol | HMDB |
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| Chemical Formula | C27H46O2 |
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| Average Molecular Weight | 402.6529 |
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| Monoisotopic Molecular Weight | 402.349780716 |
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| IUPAC Name | 2,7-dimethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-ol |
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| Traditional Name | n-tocopherol |
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| CAS Registry Number | 91-86-1 |
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| SMILES | CC(C)CCCC(C)CCCC(C)CCCC1(C)CCC2=C(O1)C=C(C)C(O)=C2 |
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| InChI Identifier | InChI=1S/C27H46O2/c1-20(2)10-7-11-21(3)12-8-13-22(4)14-9-16-27(6)17-15-24-19-25(28)23(5)18-26(24)29-27/h18-22,28H,7-17H2,1-6H3 |
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| InChI Key | PZZKGQBMBVYPGR-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as diterpenoids. These are terpene compounds formed by four isoprene units. |
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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 | Diterpenoids |
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| Direct Parent | Diterpenoids |
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| Alternative Parents | |
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| Substituents | - Diterpenoid
- 1-benzopyran
- Benzopyran
- Chromane
- 1-hydroxy-2-unsubstituted benzenoid
- 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 | 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 | |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | |
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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 | 32.0592 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.43 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3779.5 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1025.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 396.1 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 536.7 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 798.3 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1752.6 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 | 1421.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 113.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2840.6 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 986.2 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 | 2795.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1089.7 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 698.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 807.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 810.1 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 | 9.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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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 - eta-Tocopherol GC-MS (Non-derivatized) - 70eV, Positive | splash10-052u-6966000000-b9aeb4c173690953fa00 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - eta-Tocopherol GC-MS (1 TMS) - 70eV, Positive | splash10-0btc-7745900000-8f28c4683a2d831dffd5 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - eta-Tocopherol GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | 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 - eta-Tocopherol 10V, Positive-QTOF | splash10-0udi-1742900000-52dfc1a7e0950ed97492 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 20V, Positive-QTOF | splash10-000i-1920000000-3d9f7288b80ae53375d1 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 40V, Positive-QTOF | splash10-052r-5920000000-f62232b68294c03ac471 | 2015-04-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 10V, Negative-QTOF | splash10-0udi-0110900000-bbb8fd4b6ec0492f78e8 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 20V, Negative-QTOF | splash10-0udr-0931800000-0c662fbd67f3ee63ab30 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 40V, Negative-QTOF | splash10-000i-0933000000-c60a4104e6b6204cb092 | 2015-04-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 10V, Positive-QTOF | splash10-0udi-3123900000-3c921f93bdbb41a4d8d4 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 20V, Positive-QTOF | splash10-0a6s-9221000000-41ea826d5bbd50c0e694 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 40V, Positive-QTOF | splash10-056s-9300000000-1f132b40a6e4d4795140 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 10V, Negative-QTOF | splash10-0udi-0000900000-079f76b4d985e4b92c9d | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 20V, Negative-QTOF | splash10-0udi-0401900000-3cd474269c5bfcd33c81 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - eta-Tocopherol 40V, Negative-QTOF | splash10-004i-1902000000-62cbf92360733a0bcfc5 | 2021-09-24 | Wishart Lab | View Spectrum |
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| General References | - Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
- Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
- Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
- Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
- (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
- Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.
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