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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 20:20:31 UTC
Update Date2021-09-26 23:15:46 UTC
HMDB IDHMDB0258664
Secondary Accession NumbersNone
Metabolite Identification
Common Name5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-
Description2-fluoro-5-{5H-pyrido[4,3-b]indol-7-yl}pyridine belongs to the class of organic compounds known as gamma carbolines. These are polycyclic aromatic compounds containing a gamma-carbazole(5H-pyrido[4,3-b]indole) moiety, with a structure characterized by the presence of pyridine fused to the pyrrole ring of an indole. Based on a literature review very few articles have been published on 2-fluoro-5-{5H-pyrido[4,3-b]indol-7-yl}pyridine. This compound has been identified in human blood as reported by (PMID: 31557052 ). 5h-pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)- is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)- is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
(18F)T807 CompoundMeSH
(18F)FlortaucipirMeSH
(F-18)-AV-1451MeSH
7-(6-Fluoropyridin-3-yl)-5H-pyrido(4,3-b)indoleMeSH
T807 CompoundMeSH
FlortaucipirMeSH
Flortaucipir (18F)MeSH
Flortaucipir (F 18)MeSH
Flortaucipir (F-18)MeSH
Chemical FormulaC16H10FN3
Average Molecular Weight263.275
Monoisotopic Molecular Weight263.085875497
IUPAC Name2-fluoro-5-{5H-pyrido[4,3-b]indol-7-yl}pyridine
Traditional Name2-fluoro-5-{5H-pyrido[4,3-b]indol-7-yl}pyridine
CAS Registry NumberNot Available
SMILES
FC1=NC=C(C=C1)C1=CC2=C(C=C1)C1=C(N2)C=CN=C1
InChI Identifier
InChI=1S/C16H10FN3/c17-16-4-2-11(8-19-16)10-1-3-12-13-9-18-6-5-14(13)20-15(12)7-10/h1-9,20H
InChI KeyGETAAWDSFUCLBS-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as gamma carbolines. These are polycyclic aromatic compounds containing a gamma-carbazole(5H-pyrido[4,3-b]indole) moiety, with a structure characterized by the presence of pyridine fused to the pyrrole ring of an indole.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassPyridoindoles
Direct ParentGamma carbolines
Alternative Parents
Substituents
  • Gamma-carboline
  • Indole
  • Pyrrolopyridine
  • 2-halopyridine
  • Aryl fluoride
  • Aryl halide
  • Pyridine
  • Benzenoid
  • Pyrrole
  • Heteroaromatic compound
  • Azacycle
  • Organonitrogen compound
  • Organofluoride
  • Organohalogen compound
  • 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
logP3.52ALOGPS
logP2.84ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)13.03ChemAxon
pKa (Strongest Basic)8.13ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area41.57 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity75.53 m³·mol⁻¹ChemAxon
Polarizability27.23 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+166.66330932474
DeepCCS[M-H]-164.30530932474
DeepCCS[M-2H]-197.47830932474
DeepCCS[M+Na]+172.75630932474

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-FC1=NC=C(C=C1)C1=CC2=C(C=C1)C1=C(N2)C=CN=C13841.8Standard polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-FC1=NC=C(C=C1)C1=CC2=C(C=C1)C1=C(N2)C=CN=C12572.0Standard non polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-FC1=NC=C(C=C1)C1=CC2=C(C=C1)C1=C(N2)C=CN=C12903.2Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-,1TMS,isomer #1C[Si](C)(C)N1C2=CC=NC=C2C2=CC=C(C3=CC=C(F)N=C3)C=C212915.9Semi standard non polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-,1TMS,isomer #1C[Si](C)(C)N1C2=CC=NC=C2C2=CC=C(C3=CC=C(F)N=C3)C=C212716.6Standard non polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-,1TMS,isomer #1C[Si](C)(C)N1C2=CC=NC=C2C2=CC=C(C3=CC=C(F)N=C3)C=C213156.3Standard polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N1C2=CC=NC=C2C2=CC=C(C3=CC=C(F)N=C3)C=C213093.9Semi standard non polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N1C2=CC=NC=C2C2=CC=C(C3=CC=C(F)N=C3)C=C212941.9Standard non polar33892256
5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)-,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)N1C2=CC=NC=C2C2=CC=C(C3=CC=C(F)N=C3)C=C213229.6Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)- GC-MS (Non-derivatized) - 70eV, Positivesplash10-000i-0190000000-fbd6a74a1e92d20db0ae2021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 5H-Pyrido(4,3-b)indole, 7-(6-fluoro-3-pyridinyl)- GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal 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 ID32699920
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
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. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]