Record Information
Version1.0
Creation Date2016-05-22 03:30:18 UTC
Update Date2026-08-20 03:51:07 UTC
Accession NumberCHEM016396
Identification
Common NamePraziquantel
ClassSmall Molecule
Description
An anthelmintic used in most schistosome and many cestode infestations.
Contaminant Sources
  • HMDB Contaminants - Urine
  • STOFF IDENT Compounds
  • ToxCast & Tox21 Chemicals
Contaminant Type
  • Human Neurotoxin
Chemical Structure
Synonyms
ValueSource
BiltricideKegg
CisticidHMDB
Praziquantel, (+-)-isomerHMDB
CesolHMDB
DroncitHMDB
PyquitonHMDB
8440, EMBAYHMDB
EMBAY 8440HMDB
TraziquantelHMDB
Bayer brand OF praziquantelHMDB
CysticideHMDB
DrontsitHMDB
Merck brand OF praziquantelHMDB
PrasiquantelHMDB
Praziquantel, (R)-isomerHMDB
Praziquantel, (S)-isomerHMDB
Chemical FormulaC19H24N2O2
Average Molecular Mass312.406 g/mol
Monoisotopic Mass312.184 g/mol
CAS Registry Number55268-74-1
IUPAC Name2-cyclohexanecarbonyl-1H,2H,3H,4H,6H,7H,11bH-piperazino[2,1-a]isoquinolin-4-one
Traditional Namepraziquantel
SMILESO=C(C1CCCCC1)N1CC2N(CCC3=CC=CC=C23)C(=O)C1
InChI IdentifierInChI=1S/C19H24N2O2/c22-18-13-20(19(23)15-7-2-1-3-8-15)12-17-16-9-5-4-6-14(16)10-11-21(17)18/h4-6,9,15,17H,1-3,7-8,10-13H2
InChI KeyFSVJFNAIGNNGKK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as tetrahydroisoquinolines. These are tetrahydrogenated isoquinoline derivatives.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassTetrahydroisoquinolines
Sub ClassNot Available
Direct ParentTetrahydroisoquinolines
Alternative Parents
Substituents
  • Alpha-amino acid or derivatives
  • Tetrahydroisoquinoline
  • N-alkylpiperazine
  • 1,4-diazinane
  • Piperazine
  • Benzenoid
  • Tertiary carboxylic acid amide
  • Lactam
  • Carboxamide group
  • Carboxylic acid derivative
  • Azacycle
  • Hydrocarbon derivative
  • Organic oxide
  • Organic nitrogen compound
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Organic oxygen compound
  • Carbonyl group
  • 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 Solubility0.38 g/LALOGPS
logP2.42ALOGPS
logP2.3ChemAxon
logS-2.9ALOGPS
pKa (Strongest Acidic)19.38ChemAxon
pKa (Strongest Basic)-0.22ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area40.62 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity88.79 m³·mol⁻¹ChemAxon
Polarizability34.84 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
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 IDDB01058
HMDB IDHMDB0015191
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkPraziquantel
Chemspider ID4722
ChEBI ID199024
PubChem Compound ID4891
Kegg Compound IDC07367
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. McManus DP, Loukas A: Current status of vaccines for schistosomiasis. Clin Microbiol Rev. 2008 Jan;21(1):225-42. doi: 10.1128/CMR.00046-07.
2. Doenhoff MJ, Cioli D, Utzinger J: Praziquantel: mechanisms of action, resistance and new derivatives for schistosomiasis. Curr Opin Infect Dis. 2008 Dec;21(6):659-67. doi: 10.1097/QCO.0b013e328318978f.