| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2009-07-25 00:20:01 UTC |
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| Update Date | 2022-03-07 02:51:28 UTC |
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| HMDB ID | HMDB0013111 |
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| Secondary Accession Numbers | - HMDB0002139
- HMDB02139
- HMDB13111
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| Metabolite Identification |
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| Common Name | Ubiquinol-10 |
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| Description | Ubiquinol-10 is a benzoquinol and is the reduced product of ubiquinone also called coenzyme Q10.The reduction of ubiquinone to ubiquinol occurs in Complexes I&II in the electron transfer chain. The Q cycle is a process that occurs in cytochrome b[, a component of Complex III in the electron transport chain,and that converts ubiquinol to ubiquinone in a cyclic fashion. When ubiquinol binds to cytochrome b, the pKa of the phenolic group decreases so that the proton ionizes and the phenoxide anion is formed (Wikipedia). Ubiquinol-10, the reduced form of ubiquinone-10, efficiently scavenges free radicals generated chemically within liposomal membranes. Ubiquinol-10 is about as effective in preventing peroxidative damage to lipids as alpha-tocopherol, which is considered the best lipid-soluble antioxidant in humans. The number of radicals scavenged by each molecule of ubiquinol-10 is 1.1 under certain experimental conditions. In contrast to alpha-tocopherol, ubiquinol-10 is not recycled by ascorbate. However, it is known that ubiquinol-10 can be recycled by electron transport carriers present in various biomembranes and possibly by some enzymes. It is shown that ubiquinol-10 spares alpha-tocopherol when both antioxidants are present in the same liposomal membranes and that ubiquinol-10, like alpha-tocopherol, does not interact with reduced glutathione.It is suggested that ubiquinol-10 is an important physiological lipid-soluble antioxidant. [PMID: 2352956 ]. |
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| Structure | COC1=C(OC)C(O)=C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)C(C)=C1O InChI=1S/C59H92O4/c1-44(2)24-15-25-45(3)26-16-27-46(4)28-17-29-47(5)30-18-31-48(6)32-19-33-49(7)34-20-35-50(8)36-21-37-51(9)38-22-39-52(10)40-23-41-53(11)42-43-55-54(12)56(60)58(62-13)59(63-14)57(55)61/h24,26,28,30,32,34,36,38,40,42,60-61H,15-23,25,27,29,31,33,35,37,39,41,43H2,1-14H3/b45-26+,46-28+,47-30+,48-32+,49-34+,50-36+,51-38+,52-40+,53-42+ |
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| Synonyms | | Value | Source |
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| Coenzyme Q10-H2 | ChEBI | | CoQ10h2 | ChEBI | | Reduced coenzyme Q10 | ChEBI | | Ubiquinol(10) | ChEBI | | Ubiquinol 0 | MeSH | | Ubiquinol 7 | MeSH | | Ubiquinol 9 | MeSH | | Ubiquinol 6 (ubiquinol 30) | MeSH | | Ubiquinols | MeSH | | Ubiquinol | MeSH | | Ubiquinol 1 | MeSH | | Ubiquinol 50 | MeSH | | Ubiquinone hydroquinone | MeSH | | CoQ(,10)H(,2) | HMDB | | CoQH(,2) | HMDB | | Coenzyme Q10, reduced | MeSH, HMDB |
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| Chemical Formula | C59H92O4 |
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| Average Molecular Weight | 865.3594 |
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| Monoisotopic Molecular Weight | 864.699561432 |
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| IUPAC Name | 2-[(2E,6E,10E,14E,18E,22E,26E,30E,34E)-3,7,11,15,19,23,27,31,35,39-decamethyltetraconta-2,6,10,14,18,22,26,30,34,38-decaen-1-yl]-5,6-dimethoxy-3-methylbenzene-1,4-diol |
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| Traditional Name | ubiquinol(10) |
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| CAS Registry Number | 5677-55-4 |
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| SMILES | COC1=C(OC)C(O)=C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)C(C)=C1O |
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| InChI Identifier | InChI=1S/C59H92O4/c1-44(2)24-15-25-45(3)26-16-27-46(4)28-17-29-47(5)30-18-31-48(6)32-19-33-49(7)34-20-35-50(8)36-21-37-51(9)38-22-39-52(10)40-23-41-53(11)42-43-55-54(12)56(60)58(62-13)59(63-14)57(55)61/h24,26,28,30,32,34,36,38,40,42,60-61H,15-23,25,27,29,31,33,35,37,39,41,43H2,1-14H3/b45-26+,46-28+,47-30+,48-32+,49-34+,50-36+,51-38+,52-40+,53-42+ |
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| InChI Key | QNTNKSLOFHEFPK-UPTCCGCDSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as polyprenyl quinols. Polyprenyl quinols are compounds containing a polyisoprene chain attached to a quinol(hydroquinone) at the second ring position. |
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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 | Polyprenyl quinols |
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| Alternative Parents | |
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| Substituents | - Polyterpenoid
- 2-polyprenyl-6-methoxyphenol
- Polyprenylbenzoquinol
- Polyprenylphenol
- Ubiquinol skeleton
- Methoxyphenol
- O-dimethoxybenzene
- Dimethoxybenzene
- Anisole
- Hydroquinone
- M-cresol
- Phenoxy compound
- O-cresol
- Phenol ether
- Methoxybenzene
- Alkyl aryl ether
- Phenol
- Toluene
- Monocyclic benzene moiety
- Benzenoid
- Ether
- Organooxygen compound
- Organic oxygen compound
- Hydrocarbon derivative
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic 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 | |
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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 | 0.25 mg/L @ 25 °C (est) | The Good Scents Company Information System | | 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. | 3.67 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 48.8765 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 0.57 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 7454.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 1074.2 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 593.7 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 503.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 367.7 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 2093.8 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 | 1989.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 147.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 4609.3 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 1695.8 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 | 2271.4 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 1643.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 969.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 216.0 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 1124.3 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 | 12.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatized |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| MS | Mass Spectrum (Electron Ionization) | Not Available | 2022-08-06 | Not Available | 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 - Ubiquinol-10 10V, Positive-QTOF | splash10-014i-0212122090-5e306e2cf0f1f2a759a7 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 20V, Positive-QTOF | splash10-016s-0958587200-fef2b628971a8a4a77b8 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 40V, Positive-QTOF | splash10-014j-1555659310-8eeeca49aeaf08faf8fe | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 10V, Negative-QTOF | splash10-03di-0000000090-f5379c25b8f0dc4902cf | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 20V, Negative-QTOF | splash10-03ds-1000000690-b45be3825182ab04e016 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 40V, Negative-QTOF | splash10-006t-9100000770-b1fa0941ae35b7012e61 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 10V, Negative-QTOF | splash10-03di-0000000090-a8d6a4ccca778cf72be3 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 20V, Negative-QTOF | splash10-02u1-0500000090-ff2eeb32c7e6ef8fb97e | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 40V, Negative-QTOF | splash10-015a-0690022730-f3ab2e42a34357cb53c2 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 10V, Positive-QTOF | splash10-066s-5413056790-24f2348633f2f7030eb1 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 20V, Positive-QTOF | splash10-0002-4915635410-53f2c6d0cb82e1fb7e3a | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Ubiquinol-10 40V, Positive-QTOF | splash10-0036-8514922000-b386bae8b68d37f324ac | 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) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum |
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