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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 10:02:25 UTC
Update Date2021-09-26 23:04:37 UTC
HMDB IDHMDB0252194
Secondary Accession NumbersNone
Metabolite Identification
Common NameFenclofenac
DescriptionFenclofenac belongs to the class of organic compounds known as diphenylethers. These are aromatic compounds containing two benzene rings linked to each other through an ether group. Due to its side effects it was withdrawn from the UK and US in the 1980s. Fenclofenac is an extremely weak basic (essentially neutral) compound (based on its pKa). Fenclofenac is a nonsteroidal anti-inflammatory drug (NSAID) previously used in rheumatism. It can also cause lichen planus. It has mild immunosuppressive effects and may displace thyroid hormone from its binding protein. This compound has been identified in human blood as reported by (PMID: 31557052 ). Fenclofenac is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Fenclofenac 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
Fenclofenac sodium saltMeSH
2-(2,4-Dichlorophenoxy)phenylacetic acidMeSH
FenclofenacMeSH
2-[2-(2,4-Dichlorophenoxy)phenyl]acetateGenerator
Chemical FormulaC14H10Cl2O3
Average Molecular Weight297.13
Monoisotopic Molecular Weight296.0006996
IUPAC Name2-[2-(2,4-dichlorophenoxy)phenyl]acetic acid
Traditional Namefenclofenac
CAS Registry NumberNot Available
SMILES
OC(=O)CC1=CC=CC=C1OC1=C(Cl)C=C(Cl)C=C1
InChI Identifier
InChI=1S/C14H10Cl2O3/c15-10-5-6-13(11(16)8-10)19-12-4-2-1-3-9(12)7-14(17)18/h1-6,8H,7H2,(H,17,18)
InChI KeyIDKAXRLETRCXKS-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as diphenylethers. These are aromatic compounds containing two benzene rings linked to each other through an ether group.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassDiphenylethers
Direct ParentDiphenylethers
Alternative Parents
Substituents
  • Diphenylether
  • Diaryl ether
  • Phenoxy compound
  • 1,3-dichlorobenzene
  • Phenol ether
  • Chlorobenzene
  • Halobenzene
  • Aryl chloride
  • Aryl halide
  • Monocarboxylic acid or derivatives
  • Ether
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organochloride
  • Organohalogen compound
  • Organic oxide
  • Organic oxygen compound
  • Carbonyl group
  • Organooxygen compound
  • Hydrocarbon derivative
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic 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
logP4.51ALOGPS
logP4.32ChemAxon
logS-4.7ALOGPS
pKa (Strongest Acidic)3.55ChemAxon
pKa (Strongest Basic)-3.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area46.53 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity73.22 m³·mol⁻¹ChemAxon
Polarizability27.77 ųChemAxon
Number of Rings2ChemAxon
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]+162.36730932474
DeepCCS[M-H]-160.00930932474
DeepCCS[M-2H]-192.89630932474
DeepCCS[M+Na]+168.4630932474
AllCCS[M+H]+160.632859911
AllCCS[M+H-H2O]+157.132859911
AllCCS[M+NH4]+163.832859911
AllCCS[M+Na]+164.732859911
AllCCS[M-H]-156.532859911
AllCCS[M+Na-2H]-155.832859911
AllCCS[M+HCOO]-155.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
FenclofenacOC(=O)CC1=CC=CC=C1OC1=C(Cl)C=C(Cl)C=C13792.4Standard polar33892256
FenclofenacOC(=O)CC1=CC=CC=C1OC1=C(Cl)C=C(Cl)C=C12266.2Standard non polar33892256
FenclofenacOC(=O)CC1=CC=CC=C1OC1=C(Cl)C=C(Cl)C=C12237.3Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Fenclofenac GC-MS (Non-derivatized) - 70eV, Positivesplash10-0udi-6490000000-9a1e7686450d24efeecf2021-09-24Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Fenclofenac GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Fenclofenac GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Fenclofenac GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 10V, Positive-QTOFsplash10-002b-0090000000-bc5e2bdbab4ae1ed291a2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 20V, Positive-QTOFsplash10-004j-0090000000-79bac87d8f206ed3800d2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 40V, Positive-QTOFsplash10-0lfs-9620000000-f7acae9813648f81a2f42016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 10V, Negative-QTOFsplash10-0f6x-0090000000-0d475a883470415fd14c2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 20V, Negative-QTOFsplash10-0f6x-0090000000-ea3a06c5889d473499cd2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 40V, Negative-QTOFsplash10-0gdi-2960000000-96493424d7a0c06e38922016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 10V, Positive-QTOFsplash10-0ufr-0090000000-dac0c2e7246a675cb76a2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 20V, Positive-QTOFsplash10-0udi-0090000000-d8bc7aa3293f593cc4ab2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 40V, Positive-QTOFsplash10-0pb9-2970000000-9902eadd13960faef6c22021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 10V, Negative-QTOFsplash10-0udi-0090000000-0a3c3b8f10d9416763472021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 20V, Negative-QTOFsplash10-0udi-0090000000-d934b19fd2d04073e2752021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Fenclofenac 40V, Negative-QTOFsplash10-001i-9610000000-ada0e3feb161c0abb28e2021-10-12Wishart 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 IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkFenclofenac
METLIN IDNot Available
PubChem Compound65394
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 ]