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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-06-12 17:32:31 UTC
Update Date2019-07-23 07:14:33 UTC
HMDB IDHMDB0060535
Secondary Accession Numbers
  • HMDB60535
Metabolite Identification
Common NameN-Desmethyldiphenhydramine
DescriptionN-Desmethyldiphenhydramine belongs to the class of organic compounds known as diphenylmethanes. Diphenylmethanes are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups. N-Desmethyldiphenhydramine is a very strong basic compound (based on its pKa).
Structure
Data?1563866073
Synonyms
ValueSource
MonodemethyldiphenhydramineHMDB
Monodesmethyldiphenhydramine hydrochlorideHMDB
MonodesmethyldiphenhydramineHMDB
Chemical FormulaC16H19NO
Average Molecular Weight241.3282
Monoisotopic Molecular Weight241.146664235
IUPAC Name[2-(diphenylmethoxy)ethyl](methyl)amine
Traditional Name[2-(diphenylmethoxy)ethyl](methyl)amine
CAS Registry NumberNot Available
SMILES
CNCCOC(C1=CC=CC=C1)C1=CC=CC=C1
InChI Identifier
InChI=1S/C16H19NO/c1-17-12-13-18-16(14-8-4-2-5-9-14)15-10-6-3-7-11-15/h2-11,16-17H,12-13H2,1H3
InChI KeyAGSLYHYWLYGAOU-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as diphenylmethanes. Diphenylmethanes are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassDiphenylmethanes
Direct ParentDiphenylmethanes
Alternative Parents
Substituents
  • Diphenylmethane
  • Benzylether
  • Secondary amine
  • Ether
  • Secondary aliphatic amine
  • Dialkyl ether
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External DescriptorsNot Available
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 Solubility0.0083 g/LALOGPS
logP3.09ALOGPS
logP3.27ChemAxon
logS-4.5ALOGPS
pKa (Strongest Basic)9.68ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area21.26 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity74.63 m³·mol⁻¹ChemAxon
Polarizability28.09 ųChemAxon
Number of Rings2ChemAxon
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]+157.46431661259
DarkChem[M-H]-157.00431661259
DeepCCS[M+H]+156.74830932474
DeepCCS[M-H]-154.3930932474
DeepCCS[M-2H]-187.27630932474
DeepCCS[M+Na]+162.84130932474
AllCCS[M+H]+156.632859911
AllCCS[M+H-H2O]+152.632859911
AllCCS[M+NH4]+160.332859911
AllCCS[M+Na]+161.432859911
AllCCS[M-H]-162.232859911
AllCCS[M+Na-2H]-162.132859911
AllCCS[M+HCOO]-162.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
N-DesmethyldiphenhydramineCNCCOC(C1=CC=CC=C1)C1=CC=CC=C12537.3Standard polar33892256
N-DesmethyldiphenhydramineCNCCOC(C1=CC=CC=C1)C1=CC=CC=C11910.9Standard non polar33892256
N-DesmethyldiphenhydramineCNCCOC(C1=CC=CC=C1)C1=CC=CC=C11898.6Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
N-Desmethyldiphenhydramine,1TMS,isomer #1CN(CCOC(C1=CC=CC=C1)C1=CC=CC=C1)[Si](C)(C)C2061.0Semi standard non polar33892256
N-Desmethyldiphenhydramine,1TMS,isomer #1CN(CCOC(C1=CC=CC=C1)C1=CC=CC=C1)[Si](C)(C)C2065.4Standard non polar33892256
N-Desmethyldiphenhydramine,1TMS,isomer #1CN(CCOC(C1=CC=CC=C1)C1=CC=CC=C1)[Si](C)(C)C2637.9Standard polar33892256
N-Desmethyldiphenhydramine,1TBDMS,isomer #1CN(CCOC(C1=CC=CC=C1)C1=CC=CC=C1)[Si](C)(C)C(C)(C)C2326.5Semi standard non polar33892256
N-Desmethyldiphenhydramine,1TBDMS,isomer #1CN(CCOC(C1=CC=CC=C1)C1=CC=CC=C1)[Si](C)(C)C(C)(C)C2251.9Standard non polar33892256
N-Desmethyldiphenhydramine,1TBDMS,isomer #1CN(CCOC(C1=CC=CC=C1)C1=CC=CC=C1)[Si](C)(C)C(C)(C)C2737.1Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - N-Desmethyldiphenhydramine GC-MS (Non-derivatized) - 70eV, Positivesplash10-014l-5900000000-56ac73fbfbe1ba21027a2017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-Desmethyldiphenhydramine 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-Desmethyldiphenhydramine 10V, Positive-QTOFsplash10-0006-2190000000-83ba167f9b251932f19c2016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 20V, Positive-QTOFsplash10-05mo-6690000000-580673f36189f6df0f412016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 40V, Positive-QTOFsplash10-066u-9500000000-5a7ceafd2da6df625e572016-06-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 10V, Negative-QTOFsplash10-0006-2290000000-f4f9b3254c32b08e84e42016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 20V, Negative-QTOFsplash10-000x-4890000000-b02cbd33f0a8a8ac91f52016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 40V, Negative-QTOFsplash10-004i-9500000000-fd87963e9c5b236985ea2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 10V, Positive-QTOFsplash10-00kf-0970000000-1a2a864470c3ed3dc2eb2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 20V, Positive-QTOFsplash10-014i-0900000000-4e541c2ed9aeb2d682412021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 40V, Positive-QTOFsplash10-014i-1900000000-8ecdc7e05549dff4705b2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 10V, Negative-QTOFsplash10-0006-0090000000-6f682d83273bcc1b99d32021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 20V, Negative-QTOFsplash10-00kf-1960000000-295eaffec1365e1bc8a52021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-Desmethyldiphenhydramine 40V, Negative-QTOFsplash10-0api-1900000000-f97840a3b0999082c32f2021-10-12Wishart 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 LinkNot Available
METLIN IDNot Available
PubChem Compound40791
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. Pragst F, Herre S, Bakdash A: Poisonings with diphenhydramine--a survey of 68 clinical and 55 death cases. Forensic Sci Int. 2006 Sep 12;161(2-3):189-97. Epub 2006 Jul 20. [PubMed:16857332 ]