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Record Information
Version3.6
Creation Date2013-07-09 16:11:43 UTC
Update Date2017-08-18 12:55:23 UTC
HMDB IDHMDB0060998
Secondary Accession Numbers
  • HMDB60998
Metabolite Identification
Common Name6-hydroxychlorzoxazone
Description6-hydroxychlorzoxazone is a metabolite of chlorzoxazone. Chlorzoxazone is a centrally acting muscle relaxant used to treat muscle spasm and the resulting pain or discomfort. It acts on the spinal cord by depressing reflexes. It is sold as Muscol or Parafon Forte, a combination of chlorzoxazone and acetaminophen (Paracetamol). Possible side effects include dizziness, lightheadedness, malaise, nausea, vomiting, and liver dysfunction. Used with acetaminophen it has added risk of hepatoxicity, which is why the combination is not recommended. (Wikipedia)
Structure
Thumb
SynonymsNot Available
Chemical FormulaC7H4ClNO3
Average Molecular Weight185.565
Monoisotopic Molecular Weight184.987970706
IUPAC Name5-chloro-1,3-benzoxazole-2,6-diol
Traditional Name5-chloro-1,3-benzoxazole-2,6-diol
CAS Registry Number1750-45-4
SMILES
OC1=NC2=C(O1)C=C(O)C(Cl)=C2
InChI Identifier
InChI=1S/C7H4ClNO3/c8-3-1-4-6(2-5(3)10)12-7(11)9-4/h1-2,10H,(H,9,11)
InChI KeyAGLXDWOTVQZHIQ-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of chemical entities known as benzoxazolones. These are organic compounds containing a benzene fused to an oxazole ring (a five-member aliphatic ring with three carbon atoms, one oxygen atom, and one nitrogen atom) bearing a ketone group.
KingdomChemical entities
Super ClassOrganic compounds
ClassOrganoheterocyclic compounds
Sub ClassBenzoxazoles
Direct ParentBenzoxazolones
Alternative Parents
Substituents
  • Benzoxazolone
  • 1-hydroxy-2-unsubstituted benzenoid
  • Aryl chloride
  • Aryl halide
  • Benzenoid
  • Azole
  • Oxazole
  • Heteroaromatic compound
  • Oxacycle
  • Azacycle
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Organochloride
  • Organohalogen compound
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
Ontology
StatusExpected but not Quantified
Origin
  • Drug metabolite
Biofunction
  • Waste products
ApplicationNot Available
Cellular locations
  • Cytoplasm
  • Membrane (predicted from logP)
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility7.78 mg/mLALOGPS
logP1.94ALOGPS
logP2ChemAxon
logS-1.4ALOGPS
pKa (Strongest Acidic)6.71ChemAxon
pKa (Strongest Basic)-2.1ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area66.49 Å2ChemAxon
Rotatable Bond Count0ChemAxon
Refractivity40.96 m3·mol-1ChemAxon
Polarizability16.19 Å3ChemAxon
Number of Rings2ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, NegativeNot Available
Biological Properties
Cellular Locations
  • Cytoplasm
  • Membrane (predicted from logP)
Biofluid Locations
  • Blood
  • Urine
Tissue Location
  • Kidney
  • Liver
PathwaysNot Available
Normal Concentrations
BiofluidStatusValueAgeSexConditionReferenceDetails
BloodExpected but not Quantified Not AvailableNot AvailableNormal
    details
    UrineExpected but not Quantified Not AvailableNot AvailableNormal
      details
      Abnormal Concentrations
      Not Available
      Associated Disorders and Diseases
      Disease ReferencesNone
      Associated OMIM IDsNone
      DrugBank IDNot Available
      DrugBank Metabolite IDDBMET00327
      Phenol Explorer Compound IDNot Available
      Phenol Explorer Metabolite IDNot Available
      FoodDB IDNot Available
      KNApSAcK IDNot Available
      Chemspider IDNot Available
      KEGG Compound IDNot Available
      BioCyc IDNot Available
      BiGG IDNot Available
      Wikipedia LinkNot Available
      NuGOwiki LinkHMDB0060998
      METLIN IDNot Available
      PubChem Compound2734
      PDB IDNot Available
      ChEBI IDNot Available
      References
      Synthesis ReferenceNot Available
      Material Safety Data Sheet (MSDS)Not Available
      General ReferencesNot Available