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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-05-17 01:01:40 UTC
Update Date2022-03-07 03:17:44 UTC
HMDB IDHMDB0060422
Secondary Accession Numbers
  • HMDB60422
Metabolite Identification
Common Name7,12-Dimethylbenz[a]anthracene 5,6-oxide
Description7,12-Dimethylbenz[a]anthracene 5,6-oxide, also known as dmba-5,6-epoxide, belongs to the class of organic compounds known as dibenzoxepines. Dibenzoxepines are compounds containing a dibenzoxepine moiety, which consists of two benzene connected by an oxazepine ring. 7,12-Dimethylbenz[a]anthracene 5,6-oxide is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Data?1563866058
Synonyms
ValueSource
DMBA-5,6-epoxideKegg
7,12-Dimethylbenz(a)anthracene 5,6-oxideHMDB
7,12-Dimethylbenz(a)anthracene 5,6-epoxideHMDB
Chemical FormulaC20H16O
Average Molecular Weight272.3404
Monoisotopic Molecular Weight272.120115134
IUPAC Name12,19-dimethyl-3-oxapentacyclo[9.8.0.0²,⁴.0⁵,¹⁰.0¹³,¹⁸]nonadeca-1(19),5,7,9,11,13,15,17-octaene
Traditional Name12,19-dimethyl-3-oxapentacyclo[9.8.0.0²,⁴.0⁵,¹⁰.0¹³,¹⁸]nonadeca-1(19),5,7,9,11,13,15,17-octaene
CAS Registry NumberNot Available
SMILES
CC1=C2C3OC3C3=CC=CC=C3C2=C(C)C2=CC=CC=C12
InChI Identifier
InChI=1S/C20H16O/c1-11-13-7-3-4-8-14(13)12(2)18-17(11)15-9-5-6-10-16(15)19-20(18)21-19/h3-10,19-20H,1-2H3
InChI KeyHVGNLIKFFBYBQM-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dibenzoxepines. Dibenzoxepines are compounds containing a dibenzoxepine moiety, which consists of two benzene connected by an oxazepine ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzoxepines
Sub ClassDibenzoxepines
Direct ParentDibenzoxepines
Alternative Parents
Substituents
  • Dibenzoxepine
  • Phenanthrene
  • Naphthalene
  • Benzenoid
  • Oxacycle
  • Ether
  • Oxirane
  • Dialkyl ether
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility8.4e-05 g/LALOGPS
logP5.06ALOGPS
logP5.21ChemAxon
logS-6.5ALOGPS
pKa (Strongest Basic)-4.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area12.53 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity85.22 m³·mol⁻¹ChemAxon
Polarizability31.22 ųChemAxon
Number of Rings5ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+162.6831661259
DarkChem[M-H]-161.28631661259
DeepCCS[M-2H]-199.23330932474
DeepCCS[M+Na]+174.79830932474
AllCCS[M+H]+165.332859911
AllCCS[M+H-H2O]+161.632859911
AllCCS[M+NH4]+168.932859911
AllCCS[M+Na]+169.932859911
AllCCS[M-H]-172.832859911
AllCCS[M+Na-2H]-171.432859911
AllCCS[M+HCOO]-170.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
7,12-Dimethylbenz[a]anthracene 5,6-oxideCC1=C2C3OC3C3=CC=CC=C3C2=C(C)C2=CC=CC=C123506.6Standard polar33892256
7,12-Dimethylbenz[a]anthracene 5,6-oxideCC1=C2C3OC3C3=CC=CC=C3C2=C(C)C2=CC=CC=C122466.6Standard non polar33892256
7,12-Dimethylbenz[a]anthracene 5,6-oxideCC1=C2C3OC3C3=CC=CC=C3C2=C(C)C2=CC=CC=C122599.0Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide GC-MS (Non-derivatized) - 70eV, Positivesplash10-054o-0090000000-32cc62b8a79c761d14bd2017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide 10V, Positive-QTOFsplash10-00di-0090000000-2bbeb162f7114c97d7ef2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide 20V, Positive-QTOFsplash10-05fr-0190000000-4a8492adba54e4d0ca3f2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide 40V, Positive-QTOFsplash10-0kdj-3970000000-9f28bd98cc7bb904ea132017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide 10V, Negative-QTOFsplash10-00di-0090000000-077be67002cf9ef77d6d2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide 20V, Negative-QTOFsplash10-00di-0090000000-c66cf32d9bf919e4630c2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 7,12-Dimethylbenz[a]anthracene 5,6-oxide 40V, Negative-QTOFsplash10-0kk9-0090000000-215940940323a1c17d492017-10-06Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDC19604
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound38354
PDB IDNot Available
ChEBI ID82590
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Magrane M: UniProt Knowledgebase: a hub of integrated protein data. Database (Oxford). 2011 Mar 29;2011:bar009. doi: 10.1093/database/bar009. Print 2011. [PubMed:21447597 ]

Enzymes

General function:
Involved in catalytic activity
Specific function:
Biotransformation enzyme that catalyzes the hydrolysis of arene and aliphatic epoxides to less reactive and more water soluble dihydrodiols by the trans addition of water.
Gene Name:
EPHX1
Uniprot ID:
P07099
Molecular weight:
52948.48
Reactions
7,12-Dimethylbenz[a]anthracene 5,6-oxide + Water → trans-5,6-Dihydro-5,6-dihydroxy-7,12-dimethylbenz[a]anthracenedetails