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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-05-09 20:52:01 UTC
Update Date2023-02-21 17:29:41 UTC
HMDB IDHMDB0060065
Secondary Accession Numbers
  • HMDB60065
Metabolite Identification
Common NameN-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline
DescriptionN-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline, also known as 1,2,3,4-tetrahydro-2-methyl-4,6,7-isoquinolinetriol or TMIQ, belongs to the class of organic compounds known as tetrahydroisoquinolines. These are tetrahydrogenated isoquinoline derivatives. N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline is a very strong basic compound (based on its pKa). These are aromatic polycyclic compounds containing an isoquinoline moiety, which consists of a benzene ring fused to a pyridine ring and forming benzopyridine.
Structure
Data?1677000581
Synonyms
ValueSource
1,2,3,4-Tetrahydro-2-methyl-4,6,7-isoquinolinetriolHMDB
TMIQHMDB
1,2,3,4-Tetrahydro-2-methyl-4,6,7-isoquinolinetriol hydrochlorideHMDB
Chemical FormulaC10H13NO3
Average Molecular Weight195.2151
Monoisotopic Molecular Weight195.089543287
IUPAC Name2-methyl-1,2,3,4-tetrahydroisoquinoline-4,6,7-triol
Traditional Name2-methyl-3,4-dihydro-1H-isoquinoline-4,6,7-triol
CAS Registry NumberNot Available
SMILES
CN1CC(O)C2=CC(O)=C(O)C=C2C1
InChI Identifier
InChI=1S/C10H13NO3/c1-11-4-6-2-8(12)9(13)3-7(6)10(14)5-11/h2-3,10,12-14H,4-5H2,1H3
InChI KeyPIJDIPDQQMXWEM-UHFFFAOYSA-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
  • 1-hydroxy-2-unsubstituted benzenoid
  • Aralkylamine
  • Benzenoid
  • 1,2-aminoalcohol
  • Secondary alcohol
  • Tertiary amine
  • Tertiary aliphatic amine
  • Polyol
  • Azacycle
  • Organopnictogen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Amine
  • Hydrocarbon derivative
  • Alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
DispositionNot Available
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 Solubility85.5 g/LALOGPS
logP-0.22ALOGPS
logP0.43ChemAxon
logS-0.36ALOGPS
pKa (Strongest Acidic)9.13ChemAxon
pKa (Strongest Basic)6.92ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area63.93 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity53.08 m³·mol⁻¹ChemAxon
Polarizability20.27 ųChemAxon
Number of Rings2ChemAxon
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]+146.04931661259
DarkChem[M-H]-144.43331661259
DeepCCS[M+H]+142.01630932474
DeepCCS[M-H]-139.64830932474
DeepCCS[M-2H]-174.71630932474
DeepCCS[M+Na]+150.02930932474
AllCCS[M+H]+143.032859911
AllCCS[M+H-H2O]+138.732859911
AllCCS[M+NH4]+146.932859911
AllCCS[M+Na]+148.132859911
AllCCS[M-H]-143.832859911
AllCCS[M+Na-2H]-144.232859911
AllCCS[M+HCOO]-144.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinolineCN1CC(O)C2=CC(O)=C(O)C=C2C12873.3Standard polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinolineCN1CC(O)C2=CC(O)=C(O)C=C2C11917.2Standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinolineCN1CC(O)C2=CC(O)=C(O)C=C2C11999.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,1TMS,isomer #1CN1CC2=CC(O)=C(O)C=C2C(O[Si](C)(C)C)C11984.4Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,1TMS,isomer #2CN1CC2=CC(O)=C(O[Si](C)(C)C)C=C2C(O)C11921.6Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,1TMS,isomer #3CN1CC2=CC(O[Si](C)(C)C)=C(O)C=C2C(O)C11916.9Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,2TMS,isomer #1CN1CC2=CC(O[Si](C)(C)C)=C(O)C=C2C(O[Si](C)(C)C)C11934.4Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,2TMS,isomer #2CN1CC2=CC(O)=C(O[Si](C)(C)C)C=C2C(O[Si](C)(C)C)C11918.4Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,2TMS,isomer #3CN1CC2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2C(O)C11943.9Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,3TMS,isomer #1CN1CC2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2C(O[Si](C)(C)C)C11979.7Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,1TBDMS,isomer #1CN1CC2=CC(O)=C(O)C=C2C(O[Si](C)(C)C(C)(C)C)C12225.6Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,1TBDMS,isomer #2CN1CC2=CC(O)=C(O[Si](C)(C)C(C)(C)C)C=C2C(O)C12186.6Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,1TBDMS,isomer #3CN1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O)C=C2C(O)C12180.1Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,2TBDMS,isomer #1CN1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O)C=C2C(O[Si](C)(C)C(C)(C)C)C12387.4Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,2TBDMS,isomer #2CN1CC2=CC(O)=C(O[Si](C)(C)C(C)(C)C)C=C2C(O[Si](C)(C)C(C)(C)C)C12379.6Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,2TBDMS,isomer #3CN1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2C(O)C12418.5Semi standard non polar33892256
N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline,3TBDMS,isomer #1CN1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2C(O[Si](C)(C)C(C)(C)C)C12622.4Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline GC-MS (Non-derivatized) - 70eV, Positivesplash10-0gb9-0900000000-95b71db475cc8b2fad2b2017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline GC-MS (3 TMS) - 70eV, Positivesplash10-00kk-1129000000-82107cabd2fc2ee51fc42017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 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-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 10V, Positive-QTOFsplash10-004j-0900000000-1438a4ff0536b513d0512017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 20V, Positive-QTOFsplash10-004i-0900000000-2897ff89a3d05ae4a95a2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 40V, Positive-QTOFsplash10-00dr-3900000000-6520019c985d2177069c2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 10V, Negative-QTOFsplash10-0006-0900000000-12a46802b88bbefefa522017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 20V, Negative-QTOFsplash10-002f-0900000000-3ca8baa64e208c6961242017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - N-methyl-4,6,7-trihydroxy-1,2,3,4-tetrahydroisoquinoline 40V, Negative-QTOFsplash10-0a4i-4900000000-96b58e7cdaf96c9f34122017-10-06Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart 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+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 LocationsNot Available
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 IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound157875
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDCE2173
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Thiele I, Swainston N, Fleming RM, Hoppe A, Sahoo S, Aurich MK, Haraldsdottir H, Mo ML, Rolfsson O, Stobbe MD, Thorleifsson SG, Agren R, Bolling C, Bordel S, Chavali AK, Dobson P, Dunn WB, Endler L, Hala D, Hucka M, Hull D, Jameson D, Jamshidi N, Jonsson JJ, Juty N, Keating S, Nookaew I, Le Novere N, Malys N, Mazein A, Papin JA, Price ND, Selkov E Sr, Sigurdsson MI, Simeonidis E, Sonnenschein N, Smallbone K, Sorokin A, van Beek JH, Weichart D, Goryanin I, Nielsen J, Westerhoff HV, Kell DB, Mendes P, Palsson BO: A community-driven global reconstruction of human metabolism. Nat Biotechnol. 2013 May;31(5):419-25. doi: 10.1038/nbt.2488. Epub 2013 Mar 3. [PubMed:23455439 ]