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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-10 23:28:35 UTC
Update Date2021-09-26 22:55:33 UTC
HMDB IDHMDB0246457
Secondary Accession NumbersNone
Metabolite Identification
Common Name4-Hydroxyfenbendazole
Descriptionhydroxyfenbendazole, also known as FBZ-OH or fenbendazole hydroxide, belongs to the class of organic compounds known as 2-benzimidazolylcarbamic acid esters. These are aromatic heteropolycyclic compounds that contain a carbamic acid ester group, which is N-linked to the C2-atom of a benzimidazole moiety. hydroxyfenbendazole is a secondary metabolite. Secondary metabolites are metabolically or physiologically non-essential metabolites that may serve a role as defense or signalling molecules. In some cases they are simply molecules that arise from the incomplete metabolism of other secondary metabolites. Based on a literature review a significant number of articles have been published on hydroxyfenbendazole. This compound has been identified in human blood as reported by (PMID: 31557052 ). 4-hydroxyfenbendazole is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically 4-Hydroxyfenbendazole 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
4'-HydroxyfenbendazoleChEBI
4-HydroxyfenbendazoleChEBI
5-(p-Hydroxyphenyl)thio-2-carbomethoxyaminobenzimidazoleChEBI
FBZ-OHChEBI
Fenbendazole hydroxideMeSH
Chemical FormulaC15H13N3O3S
Average Molecular Weight315.35
Monoisotopic Molecular Weight315.067762465
IUPAC Namemethyl N-{6-[(4-hydroxyphenyl)sulfanyl]-1H-1,3-benzodiazol-2-yl}carbamate
Traditional Namemethyl N-{5-[(4-hydroxyphenyl)sulfanyl]-3H-1,3-benzodiazol-2-yl}carbamate
CAS Registry NumberNot Available
SMILES
COC(=O)NC1=NC2=C(N1)C=C(SC1=CC=C(O)C=C1)C=C2
InChI Identifier
InChI=1S/C15H13N3O3S/c1-21-15(20)18-14-16-12-7-6-11(8-13(12)17-14)22-10-4-2-9(19)3-5-10/h2-8,19H,1H3,(H2,16,17,18,20)
InChI KeyKFNQNAKZKBFJAZ-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as 2-benzimidazolylcarbamic acid esters. These are aromatic heteropolycyclic compounds that contain a carbamic acid ester group, which is N-linked to the C2-atom of a benzimidazole moiety.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassBenzimidazoles
Sub Class2-benzimidazolylcarbamic acid esters
Direct Parent2-benzimidazolylcarbamic acid esters
Alternative Parents
Substituents
  • 2-benzimidazolylcarbamic acid ester
  • Diarylthioether
  • Aryl thioether
  • Thiophenol ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Monocyclic benzene moiety
  • Benzenoid
  • Azole
  • Imidazole
  • Heteroaromatic compound
  • Carbamic acid ester
  • Carbonic acid derivative
  • Azacycle
  • Sulfenyl compound
  • Thioether
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organosulfur compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxide
  • Organopnictogen compound
  • Carbonyl group
  • Organic oxygen 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
logP3.38ALOGPS
logP3.69ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)9.02ChemAxon
pKa (Strongest Basic)4.21ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area87.24 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity85.59 m³·mol⁻¹ChemAxon
Polarizability32.74 ųChemAxon
Number of Rings3ChemAxon
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]+169.72930932474
DeepCCS[M-H]-167.37130932474
DeepCCS[M-2H]-200.98930932474
DeepCCS[M+Na]+176.21630932474
AllCCS[M+H]+170.832859911
AllCCS[M+H-H2O]+167.632859911
AllCCS[M+NH4]+173.732859911
AllCCS[M+Na]+174.532859911
AllCCS[M-H]-171.832859911
AllCCS[M+Na-2H]-171.132859911
AllCCS[M+HCOO]-170.432859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
4-HydroxyfenbendazoleCOC(=O)NC1=NC2=C(N1)C=C(SC1=CC=C(O)C=C1)C=C24274.2Standard polar33892256
4-HydroxyfenbendazoleCOC(=O)NC1=NC2=C(N1)C=C(SC1=CC=C(O)C=C1)C=C22803.5Standard non polar33892256
4-HydroxyfenbendazoleCOC(=O)NC1=NC2=C(N1)C=C(SC1=CC=C(O)C=C1)C=C23403.5Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
4-Hydroxyfenbendazole,2TMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2[NH]1)[Si](C)(C)C3012.2Semi standard non polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2[NH]1)[Si](C)(C)C2892.5Standard non polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2[NH]1)[Si](C)(C)C3750.7Standard polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #2COC(=O)NC1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2N1[Si](C)(C)C3102.0Semi standard non polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #2COC(=O)NC1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2N1[Si](C)(C)C2801.9Standard non polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #2COC(=O)NC1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2N1[Si](C)(C)C3849.4Standard polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #3COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O)C=C3)C=C2N1[Si](C)(C)C)[Si](C)(C)C2956.0Semi standard non polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #3COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O)C=C3)C=C2N1[Si](C)(C)C)[Si](C)(C)C2929.2Standard non polar33892256
4-Hydroxyfenbendazole,2TMS,isomer #3COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O)C=C3)C=C2N1[Si](C)(C)C)[Si](C)(C)C3858.8Standard polar33892256
4-Hydroxyfenbendazole,3TMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2N1[Si](C)(C)C)[Si](C)(C)C3042.3Semi standard non polar33892256
4-Hydroxyfenbendazole,3TMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2N1[Si](C)(C)C)[Si](C)(C)C2766.5Standard non polar33892256
4-Hydroxyfenbendazole,3TMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C)C=C3)C=C2N1[Si](C)(C)C)[Si](C)(C)C3419.6Standard polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2[NH]1)[Si](C)(C)C(C)(C)C3430.1Semi standard non polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2[NH]1)[Si](C)(C)C(C)(C)C3302.9Standard non polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2[NH]1)[Si](C)(C)C(C)(C)C3816.1Standard polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #2COC(=O)NC1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2N1[Si](C)(C)C(C)(C)C3530.3Semi standard non polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #2COC(=O)NC1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2N1[Si](C)(C)C(C)(C)C3193.3Standard non polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #2COC(=O)NC1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2N1[Si](C)(C)C(C)(C)C3898.4Standard polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #3COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O)C=C3)C=C2N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3386.0Semi standard non polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #3COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O)C=C3)C=C2N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3338.6Standard non polar33892256
4-Hydroxyfenbendazole,2TBDMS,isomer #3COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O)C=C3)C=C2N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3820.9Standard polar33892256
4-Hydroxyfenbendazole,3TBDMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3611.1Semi standard non polar33892256
4-Hydroxyfenbendazole,3TBDMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3330.7Standard non polar33892256
4-Hydroxyfenbendazole,3TBDMS,isomer #1COC(=O)N(C1=NC2=CC=C(SC3=CC=C(O[Si](C)(C)C(C)(C)C)C=C3)C=C2N1[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C3620.2Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (Non-derivatized) - 70eV, Positivesplash10-016r-0390000000-e4a2c3d243083f60d0852021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (TMS_1_3) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 4-Hydroxyfenbendazole GC-MS (TBDMS_1_3) - 70eV, PositiveNot Available2021-11-03Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Hydroxyfenbendazole 10V, Positive-QTOFsplash10-014i-0019000000-ec8b1c1e67b82b8944672021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Hydroxyfenbendazole 20V, Positive-QTOFsplash10-001i-0191000000-8c0398c03554d05cf3ab2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Hydroxyfenbendazole 40V, Positive-QTOFsplash10-01u0-2890000000-740d451031bd6631bc3c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Hydroxyfenbendazole 10V, Negative-QTOFsplash10-001i-0091000000-b10a7762b0c07f65af0c2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Hydroxyfenbendazole 20V, Negative-QTOFsplash10-001i-0090000000-b0f1b81e0a16be38216e2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 4-Hydroxyfenbendazole 40V, Negative-QTOFsplash10-0016-1950000000-aefcdb4771bb2b560ba42021-10-12Wishart 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 ID135203
KEGG Compound IDNot Available
BioCyc IDCPD-20525
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound153395
PDB IDNot Available
ChEBI ID140184
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 ]