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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 00:26:32 UTC
Update Date2021-09-26 22:57:08 UTC
HMDB IDHMDB0247435
Secondary Accession NumbersNone
Metabolite Identification
Common Name8-Hydroxyondansetron
Description8-Hydroxyondansetron belongs to the class of organic compounds known as carbazoles. Carbazoles are compounds containing a three ring system containing a pyrrole ring fused on either side to a benzene ring. Based on a literature review very few articles have been published on 8-Hydroxyondansetron. This compound has been identified in human blood as reported by (PMID: 31557052 ). 8-hydroxyondansetron is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 8-Hydroxyondansetron 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
SynonymsNot Available
Chemical FormulaC18H19N3O2
Average Molecular Weight309.369
Monoisotopic Molecular Weight309.147726864
IUPAC Name8-hydroxy-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-2,3,4,9-tetrahydro-1H-carbazol-4-one
Traditional Name8-hydroxy-9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one
CAS Registry NumberNot Available
SMILES
CN1C2=C(C3=C1C(O)=CC=C3)C(=O)C(CN1C=CN=C1C)CC2
InChI Identifier
InChI=1S/C18H19N3O2/c1-11-19-8-9-21(11)10-12-6-7-14-16(18(12)23)13-4-3-5-15(22)17(13)20(14)2/h3-5,8-9,12,22H,6-7,10H2,1-2H3
InChI KeyXVDKMEPUFIAQFH-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as carbazoles. Carbazoles are compounds containing a three ring system containing a pyrrole ring fused on either side to a benzene ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassIndoles and derivatives
Sub ClassCarbazoles
Direct ParentCarbazoles
Alternative Parents
Substituents
  • Carbazole
  • N-alkylindole
  • Hydroxyindole
  • Indole
  • Aryl ketone
  • Aryl alkyl ketone
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • N-methylpyrrole
  • N-substituted imidazole
  • Substituted pyrrole
  • Benzenoid
  • Imidazole
  • Pyrrole
  • Azole
  • Heteroaromatic compound
  • Vinylogous amide
  • Ketone
  • Azacycle
  • Organic nitrogen compound
  • Organic oxide
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Hydrocarbon derivative
  • 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
logP2.03ALOGPS
logP1.93ChemAxon
logS-2.8ALOGPS
pKa (Strongest Acidic)9.09ChemAxon
pKa (Strongest Basic)7.34ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area60.05 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity88.76 m³·mol⁻¹ChemAxon
Polarizability34.04 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]+169.1830932474
DeepCCS[M-H]-166.82230932474
DeepCCS[M-2H]-200.43430932474
DeepCCS[M+Na]+175.66230932474
AllCCS[M+H]+174.332859911
AllCCS[M+H-H2O]+171.132859911
AllCCS[M+NH4]+177.332859911
AllCCS[M+Na]+178.132859911
AllCCS[M-H]-176.532859911
AllCCS[M+Na-2H]-176.032859911
AllCCS[M+HCOO]-175.532859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
8-HydroxyondansetronCN1C2=C(C3=C1C(O)=CC=C3)C(=O)C(CN1C=CN=C1C)CC24273.0Standard polar33892256
8-HydroxyondansetronCN1C2=C(C3=C1C(O)=CC=C3)C(=O)C(CN1C=CN=C1C)CC22933.5Standard non polar33892256
8-HydroxyondansetronCN1C2=C(C3=C1C(O)=CC=C3)C(=O)C(CN1C=CN=C1C)CC23195.0Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 8-Hydroxyondansetron GC-MS (Non-derivatized) - 70eV, Positivesplash10-001j-8590000000-166bd84223c27cd2d3e32021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Hydroxyondansetron GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Hydroxyondansetron GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 8-Hydroxyondansetron GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Hydroxyondansetron 10V, Positive-QTOFsplash10-03di-0019000000-db405120b6c0ac8398842021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Hydroxyondansetron 20V, Positive-QTOFsplash10-03di-0059000000-a4884bfd52afe31925b32021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Hydroxyondansetron 40V, Positive-QTOFsplash10-03dj-1490000000-33e77dff0713804794ba2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Hydroxyondansetron 10V, Negative-QTOFsplash10-0a4i-0009000000-efd4203a15a2f3514f682021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Hydroxyondansetron 20V, Negative-QTOFsplash10-0a6r-1079000000-24c9132d5ce87c0700592021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 8-Hydroxyondansetron 40V, Negative-QTOFsplash10-06tr-1290000000-8faf87b2502f362bdf092021-10-12Wishart 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 ID14351141
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound19734439
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 ]