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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 17:32:58 UTC
Update Date2023-02-21 17:19:18 UTC
HMDB IDHMDB0029836
Secondary Accession Numbers
  • HMDB29836
Metabolite Identification
Common Name1,2,3,4-Tetrahydro-2-methyl-b-carboline
Description1,2,3,4-Tetrahydro-2-methyl-b-carboline, also known as 2-methyl-1,2,3,4-tetrahydro-beta-carboline or 2-methyltryptoline, belongs to the class of organic compounds known as beta carbolines. Beta carbolines are compounds containing a 9H-pyrido[3,4-b]indole moiety. Based on a literature review very few articles have been published on 1,2,3,4-Tetrahydro-2-methyl-b-carboline.
Structure
Data?1676999958
Synonyms
ValueSource
2,3,4,9-Tetrahydro-2-methyl-1H-pyrido[3,4-b]indoleHMDB
2,3,4,9-Tetrahydro-2-methyl-1H-pyrido[3,4-b]indole, 9ciHMDB
2-Methyl-1,2,3,4-tetrahydro-beta-carbolineHMDB
2-Methyl-9H-1,2,3,4-tetrahydropyrido(3,4-b) indoleHMDB
2-MethyltryptolineHMDB
2-Methyltetrahydro-beta-carbolineHMDB
Chemical FormulaC12H14N2
Average Molecular Weight186.253
Monoisotopic Molecular Weight186.115698458
IUPAC Name2-methyl-1H,2H,3H,4H,9H-pyrido[3,4-b]indole
Traditional Name2-methyl-1H,3H,4H,9H-pyrido[3,4-b]indole
CAS Registry Number13100-00-0
SMILES
CN1CCC2=C(C1)NC1=C2C=CC=C1
InChI Identifier
InChI=1S/C12H14N2/c1-14-7-6-10-9-4-2-3-5-11(9)13-12(10)8-14/h2-5,13H,6-8H2,1H3
InChI KeyJOFKCNJIUXPJAC-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as beta carbolines. Beta carbolines are compounds containing a 9H-pyrido[3,4-b]indole moiety.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassPyridoindoles
Direct ParentBeta carbolines
Alternative Parents
Substituents
  • Beta-carboline
  • 3-alkylindole
  • Indole
  • Aralkylamine
  • Benzenoid
  • Pyrrole
  • Heteroaromatic compound
  • Tertiary aliphatic amine
  • Tertiary amine
  • Azacycle
  • Hydrocarbon derivative
  • Amine
  • Organonitrogen compound
  • Organopnictogen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point216 - 218 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility1.51 g/LALOGPS
logP1.83ALOGPS
logP1.97ChemAxon
logS-2.1ALOGPS
pKa (Strongest Acidic)16.45ChemAxon
pKa (Strongest Basic)6.92ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area19.03 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity58.87 m³·mol⁻¹ChemAxon
Polarizability21.97 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]+142.73631661259
DarkChem[M-H]-143.46431661259
DeepCCS[M+H]+140.97630932474
DeepCCS[M-H]-138.58130932474
DeepCCS[M-2H]-173.66930932474
DeepCCS[M+Na]+148.31930932474
AllCCS[M+H]+140.032859911
AllCCS[M+H-H2O]+135.532859911
AllCCS[M+NH4]+144.132859911
AllCCS[M+Na]+145.332859911
AllCCS[M-H]-146.532859911
AllCCS[M+Na-2H]-146.532859911
AllCCS[M+HCOO]-146.632859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
1,2,3,4-Tetrahydro-2-methyl-b-carbolineCN1CCC2=C(C1)NC1=C2C=CC=C13119.7Standard polar33892256
1,2,3,4-Tetrahydro-2-methyl-b-carbolineCN1CCC2=C(C1)NC1=C2C=CC=C11823.6Standard non polar33892256
1,2,3,4-Tetrahydro-2-methyl-b-carbolineCN1CCC2=C(C1)NC1=C2C=CC=C11920.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
1,2,3,4-Tetrahydro-2-methyl-b-carboline,1TMS,isomer #1CN1CCC2=C(C1)N([Si](C)(C)C)C1=CC=CC=C211985.8Semi standard non polar33892256
1,2,3,4-Tetrahydro-2-methyl-b-carboline,1TMS,isomer #1CN1CCC2=C(C1)N([Si](C)(C)C)C1=CC=CC=C211797.3Standard non polar33892256
1,2,3,4-Tetrahydro-2-methyl-b-carboline,1TBDMS,isomer #1CN1CCC2=C(C1)N([Si](C)(C)C(C)(C)C)C1=CC=CC=C212208.7Semi standard non polar33892256
1,2,3,4-Tetrahydro-2-methyl-b-carboline,1TBDMS,isomer #1CN1CCC2=C(C1)N([Si](C)(C)C(C)(C)C)C1=CC=CC=C212041.6Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline GC-MS (Non-derivatized) - 70eV, Positivesplash10-059l-0900000000-17e0c2b3e897cb825a172017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline LC-ESI-qTof , Positive-QTOFsplash10-0006-0900000000-873009d80ab6139a26462017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline , positive-QTOFsplash10-0006-0900000000-873009d80ab6139a26462017-09-14HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 10V, Positive-QTOFsplash10-000i-0900000000-3c34c6993f5b84e66d8f2015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 20V, Positive-QTOFsplash10-000l-0900000000-75cdcce2ea2b5e7d8d712015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 40V, Positive-QTOFsplash10-0006-1900000000-de206793800039ecb7d42015-04-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 10V, Negative-QTOFsplash10-000i-0900000000-3213b6c1eb1228baa9c62015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 20V, Negative-QTOFsplash10-000i-0900000000-4d6d380f6e861446345e2015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 40V, Negative-QTOFsplash10-0903-1900000000-3599be93bb7b196c2e132015-04-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 10V, Positive-QTOFsplash10-000i-0900000000-1768e9f778391fc71b8c2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 20V, Positive-QTOFsplash10-000i-0900000000-f23d38608ac3fccc15ae2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 40V, Positive-QTOFsplash10-052f-2900000000-ddeb6d1f4edc30f6652f2021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 10V, Negative-QTOFsplash10-000i-0900000000-518da453fd1641c125492021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 20V, Negative-QTOFsplash10-000i-0900000000-518da453fd1641c125492021-09-24Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1,2,3,4-Tetrahydro-2-methyl-b-carboline 40V, Negative-QTOFsplash10-0019-0900000000-e569375ade5af11f46b32021-09-24Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-03FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-03FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
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 IDFDB001051
KNApSAcK IDC00050677
Chemspider ID108744
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound121896
PDB IDNot Available
ChEBI ID213990
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. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .