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Record Information
Version2.0
Created at2022-05-11 16:54:18 UTC
Updated at2022-05-11 16:54:18 UTC
NP-MRD IDNP0087607
Secondary Accession NumbersNone
Natural Product Identification
Common NameUbiquinone Q2
DescriptionUbiquinone-2, also known as ubiquinone 10 or coenzyme Q, belongs to the class of organic compounds known as ubiquinones. These are coenzyme Q derivatives containing a 5, 6-dimethoxy-3-methyl(1,4-benzoquinone) moiety to which an isoprenyl group is attached at ring position 2(or 6). A compound composed of the 2,3-dimethoxy-5-methylbenzoquinone nucleus common to ubiquinones; and a side chain of two isoprenoid units. Ubiquinone-2 is an extremely weak basic (essentially neutral) compound (based on its pKa). Ubiquinone Q2 is found in Calendula officinalis. Ubiquinone Q2 was first documented in 1961 (PMID: 13744475). Ubiquinone-2 exists in all living organisms, ranging from bacteria to humans (PMID: 8981030) (PMID: 15905035).
Structure
Thumb
Synonyms
ValueSource
(e)-2-(3,7-Dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl-p-benzoquinoneChEBI
2-[(2E)-3,7-Dimethylocta-2,6-dien-1-yl]-5,6-dimethoxy-3-methyl-1,4-benzoquinoneChEBI
Ubiquinone 10ChEBI
Coenzyme QKegg
CoQKegg
QKegg
2,3-Dimethoxy-5-geranyl-6-methyl-1,4-benzoquinoneHMDB
2-(3,7-Dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl- p-benzoquinoneHMDB
2-(3,7-Dimethyl-2,6-octadienyl)-5,6-dimethoxy-3-methyl-2,5-cyclohexadiene-1,4-dioneHMDB
2-[(2E)-3,7-Dimethyl-2,6-octadienyl]-5,6-dimethoxy-3-methyl- p-benzoquinoneHMDB
Coenzyme Q2HMDB
Q 2HMDB
Ubiquinone 2HMDB
Ubiquinone Q2HMDB
Ubiquinone Q2, (e)-isomerHMDB
Chemical FormulaC19H26O4
Average Mass318.4073 Da
Monoisotopic Mass318.18311 Da
IUPAC Name2-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione
Traditional Namecoenzyme-Q
CAS Registry NumberNot Available
SMILES
COC1=C(OC)C(=O)C(C\C=C(/C)CCC=C(C)C)=C(C)C1=O
InChI Identifier
InChI=1S/C19H26O4/c1-12(2)8-7-9-13(3)10-11-15-14(4)16(20)18(22-5)19(23-6)17(15)21/h8,10H,7,9,11H2,1-6H3/b13-10+
InChI KeySQQWBSBBCSFQGC-JLHYYAGUSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Anas platyrhynchosFooDB
AnatidaeFooDB
Anser anserFooDB
Bison bisonFooDB
Bos taurusFooDB
Bos taurus X Bison bisonFooDB
Bubalus bubalisFooDB
Calendula officinalisLOTUS Database
Capra aegagrus hircusFooDB
CervidaeFooDB
Cervus canadensisFooDB
ColumbaFooDB
ColumbidaeFooDB
Dromaius novaehollandiaeFooDB
Equus caballusFooDB
Gallus gallusFooDB
Lagopus mutaFooDB
LeporidaeFooDB
Lepus timidusFooDB
Melanitta fuscaFooDB
Meleagris gallopavoFooDB
Numida meleagrisFooDB
OdocoileusFooDB
OryctolagusFooDB
Ovis ariesFooDB
PhasianidaeFooDB
Phasianus colchicusFooDB
Struthio camelusFooDB
Sus scrofaFooDB
Sus scrofa domesticaFooDB
Chemical Taxonomy
Description Belongs to the class of organic compounds known as ubiquinones. These are coenzyme Q derivatives containing a 5, 6-dimethoxy-3-methyl(1,4-benzoquinone) moiety to which an isoprenyl group is attached at ring position 2(or 6).
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassQuinone and hydroquinone lipids
Direct ParentUbiquinones
Alternative Parents
Substituents
  • Ubiquinone skeleton
  • Monoterpenoid
  • Monocyclic monoterpenoid
  • Quinone
  • P-benzoquinone
  • Vinylogous ester
  • Cyclic ketone
  • Ketone
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic homomonocyclic compound
Molecular FrameworkAliphatic homomonocyclic compounds
External Descriptors
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP3.75ALOGPS
logP3.88ChemAxon
logS-4.5ALOGPS
pKa (Strongest Basic)-4.7ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area52.6 ŲChemAxon
Rotatable Bond Count7ChemAxon
Refractivity96.18 m³·mol⁻¹ChemAxon
Polarizability36.45 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0006709
DrugBank IDDB08690
Phenol Explorer Compound IDNot Available
FoodDB IDFDB024036
KNApSAcK IDNot Available
Chemspider ID4444053
KEGG Compound IDC00399
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5280346
PDB IDNot Available
ChEBI ID46372
Good Scents IDNot Available
References
General References
  1. Forsmark-Andree P, Lee CP, Dallner G, Ernster L: Lipid peroxidation and changes in the ubiquinone content and the respiratory chain enzymes of submitochondrial particles. Free Radic Biol Med. 1997;22(3):391-400. doi: 10.1016/s0891-5849(96)00330-9. [PubMed:8981030 ]
  2. RUDNEY H: The stimulation of photophosphorylation by coenzyme Q2 and Q3 in chromatophores of Rhodospirillum rubrum. J Biol Chem. 1961 Jul;236:PC39-40. [PubMed:13744475 ]
  3. Esaka Y, Nagahara Y, Hasome Y, Nishio R, Ikekita M: Coenzyme Q2 induced p53-dependent apoptosis. Biochim Biophys Acta. 2005 Jun 20;1724(1-2):49-58. doi: 10.1016/j.bbagen.2005.04.013. [PubMed:15905035 ]