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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 09:23:04 UTC
Update Date2021-09-26 23:04:00 UTC
HMDB IDHMDB0251774
Secondary Accession NumbersNone
Metabolite Identification
Common NameEmitefur
DescriptionEmitefur, also known as bof A2, belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid. Based on a literature review very few articles have been published on Emitefur. This compound has been identified in human blood as reported by (PMID: 31557052 ). Emitefur is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Emitefur 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
3 (3-(6-Benzoyloxy-3-cyano-2-pyridyloxycarbonyl)benzoyl)-1-ethoxymethyl-5-fluorouracilMeSH
BOF a2MeSH
BOF-a2MeSH
Chemical FormulaC28H19FN4O8
Average Molecular Weight558.478
Monoisotopic Molecular Weight558.118691751
IUPAC Name6-(benzoyloxy)-3-cyanopyridin-2-yl 3-[3-(ethoxymethyl)-5-fluoro-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-1-carbonyl]benzoate
Traditional Nameemitefur
CAS Registry NumberNot Available
SMILES
CCOCN1C=C(F)C(=O)N(C(=O)C2=CC(=CC=C2)C(=O)OC2=C(C=CC(OC(=O)C3=CC=CC=C3)=N2)C#N)C1=O
InChI Identifier
InChI=1S/C28H19FN4O8/c1-2-39-16-32-15-21(29)25(35)33(28(32)38)24(34)18-9-6-10-19(13-18)27(37)41-23-20(14-30)11-12-22(31-23)40-26(36)17-7-4-3-5-8-17/h3-13,15H,2,16H2,1H3
InChI KeyWTSKMKRYHATLLL-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as benzoic acid esters. These are ester derivatives of benzoic acid.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoic acids and derivatives
Direct ParentBenzoic acid esters
Alternative Parents
Substituents
  • Benzoate ester
  • Benzoyl
  • 3-pyridinecarbonitrile
  • Halopyrimidine
  • Pyrimidone
  • Aryl fluoride
  • Aryl halide
  • Dicarboxylic acid or derivatives
  • Pyrimidine
  • Pyridine
  • Hydropyrimidine
  • Heteroaromatic compound
  • Vinylogous amide
  • Carboxylic acid ester
  • Urea
  • Lactam
  • Carboxylic acid derivative
  • Azacycle
  • Organoheterocyclic compound
  • Carbonitrile
  • Nitrile
  • Organooxygen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Organopnictogen compound
  • Organic oxide
  • Organohalogen compound
  • Organofluoride
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic 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
logP3.74ALOGPS
logP4.98ChemAxon
logS-5.8ALOGPS
pKa (Strongest Basic)-0.56ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area156.2 ŲChemAxon
Rotatable Bond Count10ChemAxon
Refractivity139.7 m³·mol⁻¹ChemAxon
Polarizability53.18 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+215.83230932474
DeepCCS[M-H]-213.50230932474
DeepCCS[M-2H]-246.74230932474
DeepCCS[M+Na]+221.58130932474
AllCCS[M+H]+222.732859911
AllCCS[M+H-H2O]+221.232859911
AllCCS[M+NH4]+224.032859911
AllCCS[M+Na]+224.432859911
AllCCS[M-H]-210.132859911
AllCCS[M+Na-2H]-210.432859911
AllCCS[M+HCOO]-210.932859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
EmitefurCCOCN1C=C(F)C(=O)N(C(=O)C2=CC(=CC=C2)C(=O)OC2=C(C=CC(OC(=O)C3=CC=CC=C3)=N2)C#N)C1=O4685.1Standard polar33892256
EmitefurCCOCN1C=C(F)C(=O)N(C(=O)C2=CC(=CC=C2)C(=O)OC2=C(C=CC(OC(=O)C3=CC=CC=C3)=N2)C#N)C1=O4140.9Standard non polar33892256
EmitefurCCOCN1C=C(F)C(=O)N(C(=O)C2=CC(=CC=C2)C(=O)OC2=C(C=CC(OC(=O)C3=CC=CC=C3)=N2)C#N)C1=O4221.7Semi standard non polar33892256
Spectra

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Emitefur 10V, Positive-QTOFsplash10-0a4i-0000090000-fd2c5393a17aeb7ff5cf2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Emitefur 20V, Positive-QTOFsplash10-0mb9-0315090000-6740f109595d8b9e36fc2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Emitefur 40V, Positive-QTOFsplash10-0a4l-3941530000-33af0a05626ff23eaa312021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Emitefur 10V, Negative-QTOFsplash10-0a4i-0000090000-447484f3c9fd549e55dd2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Emitefur 20V, Negative-QTOFsplash10-0a6r-0020490000-5db21fef99c36acf6a112021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Emitefur 40V, Negative-QTOFsplash10-004s-4932510000-a43804dfa18da299aff82021-10-12Wishart 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 ID59319
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound65910
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 ]