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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 23:00:57 UTC
Update Date2022-11-23 22:29:22 UTC
HMDB IDHMDB0259989
Secondary Accession NumbersNone
Metabolite Identification
Common NameZardaverine
DescriptionZardaverine belongs to the class of organic compounds known as phenylpyridazines. These are organic compounds containing a pyridazine ring substituted by a phenyl group. Based on a literature review a significant number of articles have been published on Zardaverine. This compound has been identified in human blood as reported by (PMID: 31557052 ). Zardaverine is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Zardaverine 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
6-(4-(Difluoromethoxy)-3-methoxyphenyl)-3(2H)-pyridazinoneChEBI
6-(4-DIFLUOROMETHOXY-3-methoxy-phenyl)-2H-pyridazin-3-oneChEBI
ZardaverinaChEBI
ZardaverinumChEBI
6-(4-Difluoromethoxy-3-methoxyphenyl)-3(2H)pyridazinoneMeSH
Chemical FormulaC12H10F2N2O3
Average Molecular Weight268.2162
Monoisotopic Molecular Weight268.065948606
IUPAC Name6-[4-(difluoromethoxy)-3-methoxyphenyl]-2,3-dihydropyridazin-3-one
Traditional Namezardaverine
CAS Registry NumberNot Available
SMILES
COC1=C(OC(F)F)C=CC(=C1)C1=NNC(=O)C=C1
InChI Identifier
InChI=1S/C12H10F2N2O3/c1-18-10-6-7(2-4-9(10)19-12(13)14)8-3-5-11(17)16-15-8/h2-6,12H,1H3,(H,16,17)
InChI KeyHJMQDJPMQIHLPB-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as phenylpyridazines. These are organic compounds containing a pyridazine ring substituted by a phenyl group.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazines
Sub ClassPyridazines and derivatives
Direct ParentPhenylpyridazines
Alternative Parents
Substituents
  • Phenylpyridazine
  • Anisole
  • Phenol ether
  • Methoxybenzene
  • Phenoxy compound
  • Alkyl aryl ether
  • Pyridazinone
  • Monocyclic benzene moiety
  • Benzenoid
  • Heteroaromatic compound
  • Lactam
  • Azacycle
  • Ether
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organofluoride
  • Organohalogen compound
  • Alkyl fluoride
  • Alkyl halide
  • Organic nitrogen compound
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
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
logP2.33ALOGPS
logP1.97ChemAxon
logS-3.4ALOGPS
pKa (Strongest Acidic)10.34ChemAxon
pKa (Strongest Basic)-1.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area59.92 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity63.64 m³·mol⁻¹ChemAxon
Polarizability23.95 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
AllCCS[M+H]+157.88332859911
AllCCS[M+H-H2O]+154.01232859911
AllCCS[M+Na]+162.51432859911
AllCCS[M+NH4]+161.47932859911
AllCCS[M-H]-156.85732859911
AllCCS[M+Na-2H]-156.30432859911
AllCCS[M+HCOO]-155.81432859911
DeepCCS[M+H]+164.07430932474
DeepCCS[M-H]-161.71630932474
DeepCCS[M-2H]-194.60230932474
DeepCCS[M+Na]+170.16730932474

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
zardaverineCOC1=C(OC(F)F)C=CC(=C1)C1=NNC(=O)C=C12523.6Standard polar33892256
zardaverineCOC1=C(OC(F)F)C=CC(=C1)C1=NNC(=O)C=C12050.8Standard non polar33892256
zardaverineCOC1=C(OC(F)F)C=CC(=C1)C1=NNC(=O)C=C12260.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
zardaverine,1TMS,isomer #1COC1=CC(C2=NN([Si](C)(C)C)C(=O)C=C2)=CC=C1OC(F)F2135.3Semi standard non polar33892256
zardaverine,1TMS,isomer #1COC1=CC(C2=NN([Si](C)(C)C)C(=O)C=C2)=CC=C1OC(F)F2173.9Standard non polar33892256
zardaverine,1TMS,isomer #1COC1=CC(C2=NN([Si](C)(C)C)C(=O)C=C2)=CC=C1OC(F)F2828.5Standard polar33892256
zardaverine,1TBDMS,isomer #1COC1=CC(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C=C2)=CC=C1OC(F)F2334.2Semi standard non polar33892256
zardaverine,1TBDMS,isomer #1COC1=CC(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C=C2)=CC=C1OC(F)F2329.8Standard non polar33892256
zardaverine,1TBDMS,isomer #1COC1=CC(C2=NN([Si](C)(C)C(C)(C)C)C(=O)C=C2)=CC=C1OC(F)F2857.4Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Zardaverine GC-MS (Non-derivatized) - 70eV, Positivesplash10-0udi-3190000000-0525c5dcd2e2e93c5dd22021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Zardaverine GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Zardaverine LC-ESI-qTof , Positive-QTOFsplash10-0wmr-2930000000-7e8d3a186a7de320cea52017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Zardaverine , positive-QTOFsplash10-014i-0290000000-01c5f7ed8ab4ffb0bde72017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Zardaverine , positive-QTOFsplash10-0wmr-2930000000-7e8d3a186a7de320cea52017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Zardaverine 35V, Positive-QTOFsplash10-014r-0690000000-a977a4e7e26deebe70d42021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Zardaverine 35V, Negative-QTOFsplash10-014i-0390000000-6928713f75d8113200322021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Zardaverine 10V, Positive-QTOFsplash10-014i-0090000000-486ccd2791abf0c61ea32016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Zardaverine 20V, Positive-QTOFsplash10-014i-0090000000-f748722bc1f9d638021c2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Zardaverine 40V, Positive-QTOFsplash10-00kr-1940000000-33f8d9d297baed36cf022016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Zardaverine 10V, Negative-QTOFsplash10-014i-2090000000-b4422e44def24fd6ad1b2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Zardaverine 20V, Negative-QTOFsplash10-01b9-3190000000-190c67a287caf7c95c0e2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Zardaverine 40V, Negative-QTOFsplash10-000f-5930000000-35478603a2417422e0392016-08-03Wishart 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 IDDB02918
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID5521
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkZardaverine
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID46548
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 ]