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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-07-09 16:18:07 UTC
Update Date2021-09-14 15:48:24 UTC
HMDB IDHMDB0061098
Secondary Accession Numbers
  • HMDB61098
Metabolite Identification
Common Namealpha-dihydrotetrabenazine
Descriptionalpha-dihydrotetrabenazine is a metabolite of tetrabenazine. Tetrabenazine is a drug for the symptomatic treatment of hyperkinetic movement disorder and is marketed under the trade names Nitoman in Canada and Xenazine in New Zealand and some parts of Europe, and is also available in the USA as an orphan drug. On August 15, 2008 the U.S. Food and Drug Administration (FDA) approved the use of tetrabenazine to treat chorea associated with Huntington's disease (HD), the first in the US. The compound has been known since the 1950s. (Wikipedia)
Structure
Data?1563866145
Synonyms
ValueSource
a-DihydrotetrabenazineGenerator
Α-dihydrotetrabenazineGenerator
Chemical FormulaC19H29NO3
Average Molecular Weight319.4385
Monoisotopic Molecular Weight319.214743799
IUPAC Name(2R,3S)-9,10-dimethoxy-3-(2-methylpropyl)-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-ol
Traditional Name(2R,3S)-9,10-dimethoxy-3-(2-methylpropyl)-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-ol
CAS Registry NumberNot Available
SMILES
COC1=C(OC)C=C2C3C[C@@H](O)[C@@H](CC(C)C)CN3CCC2=C1
InChI Identifier
InChI=1S/C19H29NO3/c1-12(2)7-14-11-20-6-5-13-8-18(22-3)19(23-4)9-15(13)16(20)10-17(14)21/h8-9,12,14,16-17,21H,5-7,10-11H2,1-4H3/t14-,16?,17+/m0/s1
InChI KeyWEQLWGNDNRARGE-DRXWIORDSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as tetrahydroisoquinolines. These are tetrahydrogenated isoquinoline derivatives.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassTetrahydroisoquinolines
Sub ClassNot Available
Direct ParentTetrahydroisoquinolines
Alternative Parents
Substituents
  • Tetrahydroisoquinoline
  • Anisole
  • Alkyl aryl ether
  • Aralkylamine
  • Piperidine
  • Benzenoid
  • Secondary alcohol
  • Tertiary amine
  • Tertiary aliphatic amine
  • Ether
  • Azacycle
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Alcohol
  • Organic oxygen compound
  • Amine
  • Hydrocarbon derivative
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic 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 Solubility0.28 g/LALOGPS
logP2.98ALOGPS
logP2.67ChemAxon
logS-3.1ALOGPS
pKa (Strongest Acidic)14.85ChemAxon
pKa (Strongest Basic)8.27ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area41.93 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity92.4 m³·mol⁻¹ChemAxon
Polarizability37.17 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+176.13131661259
DarkChem[M-H]-176.04631661259
DeepCCS[M+H]+182.82530932474
DeepCCS[M-H]-180.46730932474
DeepCCS[M-2H]-214.35430932474
DeepCCS[M+Na]+189.58230932474
AllCCS[M+H]+179.732859911
AllCCS[M+H-H2O]+176.632859911
AllCCS[M+NH4]+182.632859911
AllCCS[M+Na]+183.432859911
AllCCS[M-H]-185.532859911
AllCCS[M+Na-2H]-186.032859911
AllCCS[M+HCOO]-186.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
alpha-dihydrotetrabenazineCOC1=C(OC)C=C2C3C[C@@H](O)[C@@H](CC(C)C)CN3CCC2=C13479.2Standard polar33892256
alpha-dihydrotetrabenazineCOC1=C(OC)C=C2C3C[C@@H](O)[C@@H](CC(C)C)CN3CCC2=C12417.1Standard non polar33892256
alpha-dihydrotetrabenazineCOC1=C(OC)C=C2C3C[C@@H](O)[C@@H](CC(C)C)CN3CCC2=C12623.1Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
alpha-dihydrotetrabenazine,1TMS,isomer #1COC1=CC2=C(C=C1OC)C1C[C@@H](O[Si](C)(C)C)[C@@H](CC(C)C)CN1CC22540.0Semi standard non polar33892256
alpha-dihydrotetrabenazine,1TBDMS,isomer #1COC1=CC2=C(C=C1OC)C1C[C@@H](O[Si](C)(C)C(C)(C)C)[C@@H](CC(C)C)CN1CC22788.6Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - alpha-dihydrotetrabenazine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0ufu-3292000000-616bc16f49d880cae9ed2017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - alpha-dihydrotetrabenazine GC-MS (1 TMS) - 70eV, Positivesplash10-004i-8249000000-d0bbf8d456350af0aeef2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - alpha-dihydrotetrabenazine 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 - alpha-dihydrotetrabenazine 10V, Positive-QTOFsplash10-0uk9-0009000000-9c277b99782b8216a4542017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 20V, Positive-QTOFsplash10-0zmi-4059000000-c1e43ba5cc1445d72ed72017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 40V, Positive-QTOFsplash10-0a4i-9160000000-55276a50fa5b351231c52017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 10V, Negative-QTOFsplash10-014i-0009000000-09a82e4b00c48172cc452017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 20V, Negative-QTOFsplash10-0gb9-0039000000-8d2acd244003542952ff2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 40V, Negative-QTOFsplash10-001i-3940000000-60f86c3141ca9b72260f2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 10V, Negative-QTOFsplash10-014i-0009000000-53a97113085b5fcc385f2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 20V, Negative-QTOFsplash10-014i-0039000000-4cb6994d57e2ef4d7c732021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 40V, Negative-QTOFsplash10-03di-0191000000-d7833e906f014ec433632021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 10V, Positive-QTOFsplash10-00di-0009000000-c7fe7dbeb850d86981852021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 20V, Positive-QTOFsplash10-00di-0029000000-bdc12adf769c55736cc12021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - alpha-dihydrotetrabenazine 40V, Positive-QTOFsplash10-0kml-4191000000-8b66742b9f56ae2b08582021-09-22Wishart 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 Compound57378128
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 ReferencesNot Available