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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-11 20:08:43 UTC
Update Date2023-02-21 17:24:40 UTC
HMDB IDHMDB0035196
Secondary Accession Numbers
  • HMDB35196
Metabolite Identification
Common NameHarman
DescriptionHarman, also known as aribin or locuturin, belongs to the class of organic compounds known as harmala alkaloids. Harmala alkaloids are compounds with a structure based on harmaline, harmine, harmalol, harman or a derivative of those parents. These parents are beta-carbolines, consisting of a pyrimidine fused to the pyrrole moiety of an indole to form a pyrido[3,4-b]indole. Harman is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. Based on a literature review a significant number of articles have been published on Harman.
Structure
Data?1677000280
Synonyms
ValueSource
1-Methyl-2-carbolineChEBI
1-Methyl-9H-beta-carbolineChEBI
1-Methyl-beta-carbolineChEBI
1-MethylnorharmanChEBI
AribinChEBI
AribineChEBI
HarmaneChEBI
L-MethylpyridobindoleChEBI
LocuturinChEBI
LocuturineChEBI
LoturineChEBI
PassiflorinChEBI
1-Methyl-9H-b-carbolineGenerator
1-Methyl-9H-β-carbolineGenerator
1-Methyl-b-carbolineGenerator
1-Methyl-β-carbolineGenerator
1-Methyl-9H-pyrido[3,4-b]indoleHMDB
1-Methyl-9H-pyrido[3,4-b]indole, 9ciHMDB
2-Methyl-beta-carbolineHMDB
3-Methyl-4-carbolineHMDB
L-Methyl-pyridobindoleHMDB
PassiflorineHMDB
ZygofabagineHMDB
Harman hydrochlorideHMDB
Chemical FormulaC12H10N2
Average Molecular Weight182.2212
Monoisotopic Molecular Weight182.08439833
IUPAC Name1-methyl-9H-pyrido[3,4-b]indole
Traditional Nameharmane
CAS Registry Number486-84-0
SMILES
CC1=C2NC3=CC=CC=C3C2=CC=N1
InChI Identifier
InChI=1S/C12H10N2/c1-8-12-10(6-7-13-8)9-4-2-3-5-11(9)14-12/h2-7,14H,1H3
InChI KeyPSFDQSOCUJVVGF-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as harmala alkaloids. Harmala alkaloids are compounds with a structure based on harmaline, harmine, harmalol, harman or a derivative of those parents. These parents are beta-carbolines, consisting of a pyrimidine fused to the pyrrole moiety of an indole to form a pyrido[3,4-b]indole.
KingdomOrganic compounds
Super ClassAlkaloids and derivatives
ClassHarmala alkaloids
Sub ClassNot Available
Direct ParentHarmala alkaloids
Alternative Parents
Substituents
  • Harman
  • Beta-carboline
  • Pyridoindole
  • Indole
  • Indole or derivatives
  • Methylpyridine
  • Pyridine
  • Benzenoid
  • Heteroaromatic compound
  • Pyrrole
  • Azacycle
  • Organoheterocyclic compound
  • Organonitrogen compound
  • Hydrocarbon derivative
  • Organopnictogen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point237 - 238 °CNot Available
Boiling Point386.90 °C. @ 760.00 mm Hg (est)The Good Scents Company Information System
Water Solubility9.39 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP3.10Not Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M+H]+Not Available136.631http://allccs.zhulab.cn/database/detail?ID=AllCCS00001377
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.097 g/LALOGPS
logP3.36ALOGPS
logP2ChemAxon
logS-3.3ALOGPS
pKa (Strongest Acidic)13.72ChemAxon
pKa (Strongest Basic)5.97ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area28.68 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity55.91 m³·mol⁻¹ChemAxon
Polarizability20.28 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]+140.30331661259
DarkChem[M-H]-140.28531661259
DeepCCS[M+H]+135.87230932474
DeepCCS[M-H]-133.06630932474
DeepCCS[M-2H]-169.52130932474
DeepCCS[M+Na]+145.0630932474
AllCCS[M+H]+137.632859911
AllCCS[M+H-H2O]+133.032859911
AllCCS[M+NH4]+141.932859911
AllCCS[M+Na]+143.132859911
AllCCS[M-H]-141.632859911
AllCCS[M+Na-2H]-141.432859911
AllCCS[M+HCOO]-141.332859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
HarmanCC1=C2NC3=CC=CC=C3C2=CC=N12763.8Standard polar33892256
HarmanCC1=C2NC3=CC=CC=C3C2=CC=N11962.5Standard non polar33892256
HarmanCC1=C2NC3=CC=CC=C3C2=CC=N12108.0Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Harman,1TMS,isomer #1CC1=NC=CC2=C1N([Si](C)(C)C)C1=CC=CC=C212178.0Semi standard non polar33892256
Harman,1TMS,isomer #1CC1=NC=CC2=C1N([Si](C)(C)C)C1=CC=CC=C211901.3Standard non polar33892256
Harman,1TBDMS,isomer #1CC1=NC=CC2=C1N([Si](C)(C)C(C)(C)C)C1=CC=CC=C212405.3Semi standard non polar33892256
Harman,1TBDMS,isomer #1CC1=NC=CC2=C1N([Si](C)(C)C(C)(C)C)C1=CC=CC=C212107.7Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - Harman EI-B (Non-derivatized)splash10-001i-4900000000-2caa4dc9ec4e3750fe942017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Harman EI-B (Non-derivatized)splash10-001i-4900000000-2caa4dc9ec4e3750fe942018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Harman GC-MS (Non-derivatized) - 70eV, Positivesplash10-0f89-0900000000-1eb823770f43aa96d0792017-07-27Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Harman 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 - Harman LC-ESI-QTOF , negative-QTOFsplash10-001i-0900000000-8a722b1b5d7b5941896b2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , negative-QTOFsplash10-001i-0900000000-c3e22e3a50c1a33d33132017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , negative-QTOFsplash10-001i-0900000000-da3abe12c596a25c4fc72017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , negative-QTOFsplash10-00lr-0900000000-a0630fe37a9dae9007112017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , negative-QTOFsplash10-014i-0900000000-fe40ad28de7c40fde9732017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QQ , negative-QTOFsplash10-001i-0900000000-2c091f7fb293a57028072017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QQ , negative-QTOFsplash10-001i-2900000000-37a11b66e75cedf3e0722017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QQ , negative-QTOFsplash10-001i-2900000000-753e83180abd8e8f43062017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QQ , negative-QTOFsplash10-053r-4900000000-a0c45efe16d695cf04652017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QQ , negative-QTOFsplash10-03di-2900000000-4e2e84a5d7cb4f3b6e5a2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman ESI-ITFT , negative-QTOFsplash10-001i-0900000000-da5f8f71b14a2afaf96b2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-001i-0900000000-b61926dd87fa8a8bf5472017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-001i-0900000000-be2b3d6251e5698ec1842017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-001i-0900000000-2467a87546dc5758f74c2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-014i-0900000000-6222b796373c7d683edd2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-014i-0900000000-5f9fc354bf2eb82f440c2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-001i-0900000000-8f767ae14c8cb390abd42017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QTOF , positive-QTOFsplash10-001i-0900000000-3206fb22991bbadfb4102017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Harman LC-ESI-QQ , positive-QTOFsplash10-014i-0900000000-fbe37bd173c6820a5fbf2017-09-14HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Harman 10V, Positive-QTOFsplash10-001i-0900000000-f0389c36d5ddc1a056cd2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Harman 20V, Positive-QTOFsplash10-001i-0900000000-f4d0d496031eda8facca2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Harman 40V, Positive-QTOFsplash10-00kf-0900000000-24a22633d62b61cf09b22016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Harman 10V, Negative-QTOFsplash10-001i-0900000000-c6d6c9589b7c3045e05e2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Harman 20V, Negative-QTOFsplash10-001i-0900000000-155dea2165739f0af46e2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Harman 40V, Negative-QTOFsplash10-067i-0900000000-78073f143aded0ccce812016-08-03Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, H2O, predicted)2022-08-20Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)2022-08-20Wishart 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 Locations
  • Membrane
Biospecimen Locations
  • Feces
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB021482
KNApSAcK IDC00001736
Chemspider ID4444755
KEGG Compound IDC09209
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkHarman
METLIN IDNot Available
PubChem Compound5281404
PDB IDNot Available
ChEBI ID5623
Food Biomarker OntologyNot Available
VMH IDC09209
MarkerDB IDNot Available
Good Scents IDrw1249091
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Abramets II, Dolzhenko AT: [Harman and its derivatives as potential atypical antidepressants]. Farmakol Toksikol. 1986 Jul-Aug;49(4):15-9. [PubMed:3758321 ]
  2. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .