Pyrazoxyfen (CHEM008304)

IdentificationTaxonomyBiological PropertiesPhysical PropertiesToxicity ProfileSpectraConcentrationsLinksReferencesXML
Record Information
Version1.0
Creation Date2016-05-19 02:43:17 UTC
Update Date2026-04-03 01:12:38 UTC
Accession NumberCHEM008304
Identification
Common NamePyrazoxyfen
ClassSmall Molecule
DescriptionA member of the class of pyrazoles that is 1,3-dimethylpyrazole which is substituted at positions 4 and 5 by 2,4-dichlorobenzoyl and 2-oxo-2-phenylethoxy groups, respectively. A pro-herbicide (for the corresponding 5-hydroxypyrazole), it is used as a pre- or post-emergence herbicide for the control of annual and perennial weeds in rice.
Contaminant Sources
  • My Exposome Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
MOLSDFPDBSMILESInChI
Synonyms
ValueSource
2-[4-(2,4-Dichlorobenzoyl)-1,3-dimethylpyrazol-5-yloxy]acetophenoneChEBI
2-{[4-(2,4-dichlorobenzoyl)-1,3-dimethyl-1H-pyrazol-5-yl]oxy}-1-phenylethan-1-oneChEBI
PyrazoxyfeneChEBI
Chemical FormulaC20H16Cl2N2O3
Average Molecular Mass403.260 g/mol
Monoisotopic Mass402.054 g/mol
CAS Registry Number71561-11-0
IUPAC Name2-{[4-(2,4-dichlorobenzoyl)-1,3-dimethyl-1H-pyrazol-5-yl]oxy}-1-phenylethan-1-one
Traditional Namepyrazoxyfen
SMILESCN1N=C(C)C(C(=O)C2=C(Cl)C=C(Cl)C=C2)=C1OCC(=O)C1=CC=CC=C1
InChI IdentifierInChI=1S/C20H16Cl2N2O3/c1-12-18(19(26)15-9-8-14(21)10-16(15)22)20(24(2)23-12)27-11-17(25)13-6-4-3-5-7-13/h3-10H,11H2,1-2H3
InChI KeyFKERUJTUOYLBKB-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as benzoylpyrazoles. These are aromatic compounds containing a benzoyl group substituted with a pyrazole ring.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoyl derivatives
Direct ParentBenzoylpyrazoles
Alternative Parents
Substituents
  • Benzoylpyrazole
  • Alkyl-phenylketone
  • Aryl-phenylketone
  • Phenylketone
  • Aryl ketone
  • Aryl alkyl ketone
  • 1,3-dichlorobenzene
  • Alkyl aryl ether
  • Chlorobenzene
  • Halobenzene
  • Aryl chloride
  • Aryl halide
  • Pyrazole
  • Vinylogous amide
  • Vinylogous halide
  • Heteroaromatic compound
  • Azole
  • Ketone
  • Azacycle
  • Ether
  • Organoheterocyclic compound
  • Organooxygen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Organohalogen compound
  • Organochloride
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.00098 g/LALOGPS
logP4.36ALOGPS
logP4.36ChemAxon
logS-5.6ALOGPS
pKa (Strongest Acidic)16.51ChemAxon
pKa (Strongest Basic)2.75ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area61.19 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity115.36 m³·mol⁻¹ChemAxon
Polarizability39.19 ųChemAxon
Number of Rings3ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0udi-0002900000-19851225d6f77448847eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0udi-1104900000-9ebb170ece8c7f02ff5bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a6r-9622000000-3392352cab5675f01692Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-0001900000-e388b3345bf384b27088Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0ufr-5023900000-7a69b55dcfe79326d305Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0fb9-9431000000-98cb9a8105fffe6bfedeSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDNot Available
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkNot Available
Chemspider IDNot Available
ChEBI ID81830
PubChem Compound ID92383
Kegg Compound IDC18556
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. https://www.ncbi.nlm.nih.gov/pubmed/?term=26449612
2. https://www.ncbi.nlm.nih.gov/pubmed/?term=26870483