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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-06-18 18:42:36 UTC
Update Date2023-02-21 17:30:08 UTC
HMDB IDHMDB0060675
Secondary Accession Numbers
  • HMDB60675
Metabolite Identification
Common NameCarbamazepine iminoquinone
DescriptionCarbamazepine iminoquinone is a metabolite of carbamazepine. Carbamazepine (CBZ) is an anticonvulsant and mood-stabilizing drug used primarily in the treatment of epilepsy and bipolar disorder, as well as trigeminal neuralgia. (Wikipedia) Conversion of the carbamazepine metabolite, 2-hydroxycarbamazepine, to the potentially reactive species, carbamazepine iminoquinone (CBZ-IQ), has been proposed as a possible bioactivation pathway in the pathogenesis of carbamazepine-induced hypersensitivity. (PMID: 16135660 )
Structure
Data?1677000608
SynonymsNot Available
Chemical FormulaC14H9NO
Average Molecular Weight207.2274
Monoisotopic Molecular Weight207.068413915
IUPAC Name2-azatricyclo[9.4.0.0³,⁸]pentadeca-1(15),2,4,7,9,11,13-heptaen-6-one
Traditional Name2H-dibenz[b,f]azepin-2-one
CAS Registry NumberNot Available
SMILES
O=C1C=CC2=NC3=CC=CC=C3C=CC2=C1
InChI Identifier
InChI=1S/C14H9NO/c16-12-7-8-14-11(9-12)6-5-10-3-1-2-4-13(10)15-14/h1-9H
InChI KeyCVKDTTCYQAJIAC-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dibenzazepines. Dibenzazepines are compounds with two benzene rings connected by an azepine ring. Azepine is an unsaturated seven-member heterocycle with one nitrogen atom replacing a carbon atom.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzazepines
Sub ClassDibenzazepines
Direct ParentDibenzazepines
Alternative Parents
Substituents
  • Dibenzazepine
  • Azepine
  • Benzenoid
  • Heteroaromatic compound
  • Cyclic ketone
  • Azacycle
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
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 Solubility0.028 g/LALOGPS
logP2.35ALOGPS
logP2.66ChemAxon
logS-3.9ALOGPS
pKa (Strongest Basic)3.52ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area29.43 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity68.49 m³·mol⁻¹ChemAxon
Polarizability22.28 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+145.98831661259
DarkChem[M-H]-147.38431661259
DeepCCS[M+H]+152.61430932474
DeepCCS[M-H]-150.25630932474
DeepCCS[M-2H]-183.69330932474
DeepCCS[M+Na]+158.70730932474
AllCCS[M+H]+144.632859911
AllCCS[M+H-H2O]+140.132859911
AllCCS[M+NH4]+148.732859911
AllCCS[M+Na]+149.932859911
AllCCS[M-H]-147.432859911
AllCCS[M+Na-2H]-146.732859911
AllCCS[M+HCOO]-146.132859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Carbamazepine iminoquinoneO=C1C=CC2=NC3=CC=CC=C3C=CC2=C13016.5Standard polar33892256
Carbamazepine iminoquinoneO=C1C=CC2=NC3=CC=CC=C3C=CC2=C12053.9Standard non polar33892256
Carbamazepine iminoquinoneO=C1C=CC2=NC3=CC=CC=C3C=CC2=C12536.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Carbamazepine iminoquinone GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a6r-0950000000-189567fd14401173ee822017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Carbamazepine iminoquinone 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 - Carbamazepine iminoquinone 10V, Positive-QTOFsplash10-0a4i-0190000000-54c44ae3829aa40292262016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 20V, Positive-QTOFsplash10-0a4i-0290000000-14a2ff31e0fc3cddd1122016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 40V, Positive-QTOFsplash10-0006-0900000000-958cd558ba6a9260ae342016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 10V, Negative-QTOFsplash10-0a4i-0090000000-0b39f2f542581f50fbc52016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 20V, Negative-QTOFsplash10-0a4i-0090000000-2374fc30100bac10b2d62016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 40V, Negative-QTOFsplash10-0a4i-0980000000-481de430e183886e60512016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 10V, Positive-QTOFsplash10-0a4i-0090000000-0f66c8c7117700b524e12021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 20V, Positive-QTOFsplash10-0a4i-0090000000-0f66c8c7117700b524e12021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 40V, Positive-QTOFsplash10-0a59-0920000000-a9aadd9e82d60957d3a52021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 10V, Negative-QTOFsplash10-0a4i-0090000000-296de1c6f0c6cab3a7f12021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 20V, Negative-QTOFsplash10-0a4i-0090000000-296de1c6f0c6cab3a7f12021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Carbamazepine iminoquinone 40V, Negative-QTOFsplash10-056r-0940000000-946e5436a530ce4816de2021-10-12Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-04FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
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 IDC16605
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound276457
PDB IDNot Available
ChEBI IDNot Available
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. Ju C, Uetrecht JP: Detection of 2-hydroxyiminostilbene in the urine of patients taking carbamazepine and its oxidation to a reactive iminoquinone intermediate. J Pharmacol Exp Ther. 1999 Jan;288(1):51-6. [PubMed:9862752 ]
  2. Pearce RE, Uetrecht JP, Leeder JS: Pathways of carbamazepine bioactivation in vitro: II. The role of human cytochrome P450 enzymes in the formation of 2-hydroxyiminostilbene. Drug Metab Dispos. 2005 Dec;33(12):1819-26. Epub 2005 Aug 31. [PubMed:16135660 ]