Record Information
Version1.0
Creation Date2016-05-22 03:42:17 UTC
Update Date2026-08-20 02:45:01 UTC
Accession NumberCHEM016748
Identification
Common NameKetotifen
ClassSmall Molecule
Description
A cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators. It has been proposed for the treatment of asthma, rhinitis, skin allergies, and anaphylaxis.
Contaminant Sources
  • HMDB Contaminants - Urine
  • STOFF IDENT Compounds
  • ToxCast & Tox21 Chemicals
Contaminant Type
  • Human Neurotoxin
Chemical Structure
Synonyms
ValueSource
10-(1-Methyl-4-piperidinylidene)-5H-benzo[1,2]cyclohepta[3,4-b]thiophen-4-oneChEBI
KetotifeneChEBI
KetotifenoChEBI
KetotifenumChEBI
AlawayKegg
Ketotifen fumarateHMDB
Ketotifene fumarateHMDB
Fumarate, ketotifenHMDB
KetotiphenHMDB
KetotipheneHMDB
ZaditenHMDB
4,9-Dihydro-4-(1-methyl-4-piperidylidene)-10H-benzo(4,5)-cyclohepta(1,2-b)thiophen-10-oneHMDB
Chemical FormulaC19H19NOS
Average Molecular Mass309.425 g/mol
Monoisotopic Mass309.119 g/mol
CAS Registry Number34580-13-7
IUPAC Name2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.0³,⁷]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
Traditional Nameketotifen
SMILESCN1CCC(CC1)=C1C2=C(SC=C2)C(=O)CC2=CC=CC=C12
InChI IdentifierInChI=1S/C19H19NOS/c1-20-9-6-13(7-10-20)18-15-5-3-2-4-14(15)12-17(21)19-16(18)8-11-22-19/h2-5,8,11H,6-7,9-10,12H2,1H3
InChI KeyZCVMWBYGMWKGHF-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cycloheptathiophenes. These are polycyclic compounds containing a thiophene ring fused to a 7 member carbocyclic moiety. Thiophene is 5-membered ring consisting of four carbon atoms and one sulfur atom.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassCycloheptathiophenes
Sub ClassNot Available
Direct ParentCycloheptathiophenes
Alternative Parents
Substituents
  • Cycloheptathiophene
  • Aryl alkyl ketone
  • Aryl ketone
  • Piperidine
  • Benzenoid
  • Thiophene
  • Heteroaromatic compound
  • Ketone
  • Tertiary amine
  • Tertiary aliphatic amine
  • Azacycle
  • Amine
  • Hydrocarbon derivative
  • Organic oxide
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Organic nitrogen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External DescriptorsNot Available
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 Solubility0.0079 g/LALOGPS
logP3.49ALOGPS
logP3.35ChemAxon
logS-4.6ALOGPS
pKa (Strongest Acidic)12.3ChemAxon
pKa (Strongest Basic)7.15ChemAxon
Physiological Charge1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area20.31 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity101.73 m³·mol⁻¹ChemAxon
Polarizability34.61 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
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
External Links
DrugBank IDDB00920
HMDB IDHMDB0015056
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkKetotifen
Chemspider ID3695
ChEBI ID92511
PubChem Compound ID3827
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References