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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-07-04 19:02:50 UTC
Update Date2019-07-23 07:15:12 UTC
HMDB IDHMDB0060840
Secondary Accession Numbers
  • HMDB60840
Metabolite Identification
Common NameN-Desmethyldoxepin
DescriptionN-Desmethyldoxepin is a metabolite of doxepin. Doxepin is a psychotropic agent with tricyclic antidepressant and anxiolytic properties, known under many brand-names such as Aponal, the original preparation by Boehringer-Mannheim, now part of the Roche group; Adapine, Doxal, Deptran, Sinquan and Sinequan. As doxepin hydrochloride, it is the active ingredient in cream-based preparations (Zonalon and Xepin) for the treatment of dermatological itch. (Wikipedia )
Structure
Data?1563866112
Synonyms
ValueSource
(Z)-N-DesmethyldoxepinChEBI
cis-DesmethyldoxepinChEBI
cis-N-DesmethyldoxepinChEBI
DemethyldoxepinHMDB
Desmethyldoxepin, (e)-isomerHMDB
NordoxepinHMDB
DesmethyldoxepinHMDB
Desmethyldoxepin hydrochlorideHMDB
Desmethyldoxepin, (Z)-isomerHMDB
Chemical FormulaC18H19NO
Average Molecular Weight265.3496
Monoisotopic Molecular Weight265.146664235
IUPAC Namemethyl({3-[(2Z)-9-oxatricyclo[9.4.0.0³,⁸]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-ylidene]propyl})amine
Traditional Namemethyl({3-[(2Z)-9-oxatricyclo[9.4.0.0³,⁸]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-ylidene]propyl})amine
CAS Registry Number58534-46-6
SMILES
CNCC\C=C1\C2=C(COC3=C1C=CC=C3)C=CC=C2
InChI Identifier
InChI=1S/C18H19NO/c1-19-12-6-10-16-15-8-3-2-7-14(15)13-20-18-11-5-4-9-17(16)18/h2-5,7-11,19H,6,12-13H2,1H3/b16-10-
InChI KeyHVKCEFHNSNZIHO-YBEGLDIGSA-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
  • Alkyl aryl ether
  • Benzenoid
  • Oxacycle
  • Secondary amine
  • Ether
  • Secondary aliphatic amine
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
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 Solubility0.0036 g/LALOGPS
logP3.75ALOGPS
logP3.46ChemAxon
logS-4.9ALOGPS
pKa (Strongest Basic)10.47ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area21.26 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity92.95 m³·mol⁻¹ChemAxon
Polarizability30.87 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]+164.93731661259
DarkChem[M-H]-164.49631661259
DeepCCS[M+H]+168.91230932474
DeepCCS[M-H]-166.55430932474
DeepCCS[M-2H]-199.43930932474
DeepCCS[M+Na]+175.00530932474
AllCCS[M+H]+162.832859911
AllCCS[M+H-H2O]+159.032859911
AllCCS[M+NH4]+166.332859911
AllCCS[M+Na]+167.332859911
AllCCS[M-H]-170.132859911
AllCCS[M+Na-2H]-169.732859911
AllCCS[M+HCOO]-169.432859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
N-DesmethyldoxepinCNCC\C=C1\C2=C(COC3=C1C=CC=C3)C=CC=C23310.0Standard polar33892256
N-DesmethyldoxepinCNCC\C=C1\C2=C(COC3=C1C=CC=C3)C=CC=C22248.6Standard non polar33892256
N-DesmethyldoxepinCNCC\C=C1\C2=C(COC3=C1C=CC=C3)C=CC=C22203.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
N-Desmethyldoxepin,1TMS,isomer #1CN(CC/C=C1/C2=CC=CC=C2COC2=CC=CC=C12)[Si](C)(C)C2514.3Semi standard non polar33892256
N-Desmethyldoxepin,1TMS,isomer #1CN(CC/C=C1/C2=CC=CC=C2COC2=CC=CC=C12)[Si](C)(C)C2442.6Standard non polar33892256
N-Desmethyldoxepin,1TMS,isomer #1CN(CC/C=C1/C2=CC=CC=C2COC2=CC=CC=C12)[Si](C)(C)C3125.4Standard polar33892256
N-Desmethyldoxepin,1TBDMS,isomer #1CN(CC/C=C1/C2=CC=CC=C2COC2=CC=CC=C12)[Si](C)(C)C(C)(C)C2726.6Semi standard non polar33892256
N-Desmethyldoxepin,1TBDMS,isomer #1CN(CC/C=C1/C2=CC=CC=C2COC2=CC=CC=C12)[Si](C)(C)C(C)(C)C2688.6Standard non polar33892256
N-Desmethyldoxepin,1TBDMS,isomer #1CN(CC/C=C1/C2=CC=CC=C2COC2=CC=CC=C12)[Si](C)(C)C(C)(C)C3223.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - N-Desmethyldoxepin GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9140000000-c82077a7c3bebcc3a7e02017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-Desmethyldoxepin GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-Desmethyldoxepin 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 - N-Desmethyldoxepin 10V, Positive-QTOFsplash10-014r-0090000000-640c381a8a220acdd6a12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 20V, Positive-QTOFsplash10-00kr-3190000000-3445698d3595ed1488082016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 40V, Positive-QTOFsplash10-0f6x-9640000000-6a82b8594aa1a94143042016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 10V, Negative-QTOFsplash10-03di-0090000000-681052c04b852a0c46fd2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 20V, Negative-QTOFsplash10-03di-1090000000-c550628b634c6901a2592016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 40V, Negative-QTOFsplash10-053u-6190000000-5edfe7c7acd231e3e5e22016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 10V, Positive-QTOFsplash10-014i-0090000000-2553ba0c11b34cc0d04f2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 20V, Positive-QTOFsplash10-000i-0090000000-2e7069eda57ac81a98ea2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 40V, Positive-QTOFsplash10-0a4u-1790000000-7dec2de1219ffc1c73d12021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 10V, Negative-QTOFsplash10-03di-0090000000-1f4e1c77bccde6d52d612021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 20V, Negative-QTOFsplash10-03di-0090000000-cb241f7ffb9f6ff947152021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldoxepin 40V, Negative-QTOFsplash10-014l-0390000000-030b383262d83abcb5362021-10-12Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • 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 IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNordoxepin
METLIN IDNot Available
PubChem Compound5353833
PDB IDNot Available
ChEBI ID142339
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 ReferencesNot Available