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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2013-07-09 16:08:49 UTC
Update Date2019-07-23 07:15:26 UTC
HMDB IDHMDB0060945
Secondary Accession Numbers
  • HMDB60945
Metabolite Identification
Common NameA771726
DescriptionA771726, also known as a-77-1726m1, belongs to the class of organic compounds known as trifluoromethylbenzenes. These are organofluorine compounds that contain a benzene ring substituted with one or more trifluoromethyl groups. A771726 is an extremely weak basic (essentially neutral) compound (based on its pKa). A771726 is a metabolite of leflunomide. Leflunomide is a medication of the DMARD type, used in active moderate to severe rheumatoid arthritis and psoriatic arthritis. It is a pyrimidine synthesis inhibitor.
Structure
Data?1563866126
Synonyms
ValueSource
a-77-1726m1HMDB
Chemical FormulaC12H9F3N2O2
Average Molecular Weight270.2073
Monoisotopic Molecular Weight270.061612157
IUPAC Name(2E)-2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide
Traditional Name(2E)-2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide
CAS Registry NumberNot Available
SMILES
C\C(O)=C(\C#N)C(=O)NC1=CC=C(C=C1)C(F)(F)F
InChI Identifier
InChI=1S/C12H9F3N2O2/c1-7(18)10(6-16)11(19)17-9-4-2-8(3-5-9)12(13,14)15/h2-5,18H,1H3,(H,17,19)/b10-7+
InChI KeyUTNUDOFZCWSZMS-JXMROGBWSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as trifluoromethylbenzenes. These are organofluorine compounds that contain a benzene ring substituted with one or more trifluoromethyl groups.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassTrifluoromethylbenzenes
Direct ParentTrifluoromethylbenzenes
Alternative Parents
Substituents
  • Trifluoromethylbenzene
  • Anilide
  • N-arylamide
  • Vinylogous acid
  • Carboxamide group
  • Secondary carboxylic acid amide
  • Carboxylic acid derivative
  • Enol
  • Carbonitrile
  • Nitrile
  • Organooxygen compound
  • Organonitrogen compound
  • Organofluoride
  • Organohalogen compound
  • Carbonyl group
  • Alkyl halide
  • Alkyl fluoride
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • 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
Water Solubility0.012 g/LALOGPS
logP2.3ALOGPS
logP2.14ChemAxon
logS-4.3ALOGPS
pKa (Strongest Acidic)5.48ChemAxon
pKa (Strongest Basic)-3.2ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area73.12 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity64.39 m³·mol⁻¹ChemAxon
Polarizability23.2 ųChemAxon
Number of Rings1ChemAxon
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]+166.29230932474
DeepCCS[M-H]-163.93430932474
DeepCCS[M-2H]-197.65730932474
DeepCCS[M+Na]+172.88430932474
AllCCS[M+H]+157.032859911
AllCCS[M+H-H2O]+153.632859911
AllCCS[M+NH4]+160.232859911
AllCCS[M+Na]+161.132859911
AllCCS[M-H]-155.932859911
AllCCS[M+Na-2H]-155.732859911
AllCCS[M+HCOO]-155.632859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
A771726C\C(O)=C(\C#N)C(=O)NC1=CC=C(C=C1)C(F)(F)F2693.8Standard polar33892256
A771726C\C(O)=C(\C#N)C(=O)NC1=CC=C(C=C1)C(F)(F)F1782.8Standard non polar33892256
A771726C\C(O)=C(\C#N)C(=O)NC1=CC=C(C=C1)C(F)(F)F1872.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
A771726,1TMS,isomer #1C/C(O[Si](C)(C)C)=C(/C#N)C(=O)NC1=CC=C(C(F)(F)F)C=C11941.2Semi standard non polar33892256
A771726,1TMS,isomer #2C/C(O)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C1877.5Semi standard non polar33892256
A771726,2TMS,isomer #1C/C(O[Si](C)(C)C)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C1825.9Semi standard non polar33892256
A771726,2TMS,isomer #1C/C(O[Si](C)(C)C)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C1918.5Standard non polar33892256
A771726,2TMS,isomer #1C/C(O[Si](C)(C)C)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C2047.7Standard polar33892256
A771726,1TBDMS,isomer #1C/C(O[Si](C)(C)C(C)(C)C)=C(/C#N)C(=O)NC1=CC=C(C(F)(F)F)C=C12154.1Semi standard non polar33892256
A771726,1TBDMS,isomer #2C/C(O)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C(C)(C)C2048.6Semi standard non polar33892256
A771726,2TBDMS,isomer #1C/C(O[Si](C)(C)C(C)(C)C)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C(C)(C)C2248.1Semi standard non polar33892256
A771726,2TBDMS,isomer #1C/C(O[Si](C)(C)C(C)(C)C)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C(C)(C)C2295.2Standard non polar33892256
A771726,2TBDMS,isomer #1C/C(O[Si](C)(C)C(C)(C)C)=C(/C#N)C(=O)N(C1=CC=C(C(F)(F)F)C=C1)[Si](C)(C)C(C)(C)C2265.0Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - A771726 GC-MS (Non-derivatized) - 70eV, Positivesplash10-0gvo-7890000000-0d415372c1d272f8e7422017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - A771726 GC-MS (1 TMS) - 70eV, Positivesplash10-0200-6935000000-92c9f6a31c7e325dd5692017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - A771726 GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 10V, Positive-QTOFsplash10-00di-0290000000-b431b4aaaede9947aa432017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 20V, Positive-QTOFsplash10-03di-6950000000-358fc4abc2fcb1a6175c2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 40V, Positive-QTOFsplash10-029x-9300000000-1277314eb9909766addf2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 10V, Negative-QTOFsplash10-014i-3090000000-d531dc733401653ec6882017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 20V, Negative-QTOFsplash10-001i-9010000000-e6449182c09649b23cf62017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 40V, Negative-QTOFsplash10-03yi-9200000000-fc4e8d0894fe251e9ff32017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 10V, Positive-QTOFsplash10-00di-2190000000-b295daedf0cca51f6c9a2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 20V, Positive-QTOFsplash10-02tc-9350000000-90d0179df8ccbdd4abca2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 40V, Positive-QTOFsplash10-014l-9310000000-a192aea16ba8ec1195db2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 10V, Negative-QTOFsplash10-014i-5090000000-2b63137547380497e5742021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 20V, Negative-QTOFsplash10-03di-2900000000-e5528a5a79f6531eaf272021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - A771726 40V, Negative-QTOFsplash10-03di-0900000000-5bed313dc536057959db2021-10-12Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Membrane (predicted from logP)
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
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 LinkNot Available
METLIN IDNot Available
PubChem Compound54714524
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 ReferencesNot Available