*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ0517700
CHEMICAL NAME           : 2H-Pyran-2-one, 5,6-dihydro-4-methoxy-6-phenethyl-
CAS REGISTRY NUMBER     : 587-63-3
OTHER CAS REGISTRY NOS. : 19451-52-6
LAST UPDATED            : 199206
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C14-H16-O3
MOLECULAR WEIGHT        : 232.30
WISWESSER LINE NOTATION : T6OV CUTJ DO1 F1U1R
COMPOUND DESCRIPTOR     : Natural Product
SYNONYMS/TRADE NAMES :
   * DHK
   * Dihydrokavain
   * Dihydrokawain
   * 7,8-Dihydrokawain
   * Kawain, dihydro-
   * Marindinin
   * 2H-Pyran-2-one, 5,6-dihydro-4-methoxy-6-(2-phenylethyl)-, (S)-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 920 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 138,505,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 325 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 138,505,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 53 mg/kg
TOXIC EFFECTS :
   Behavioral - anticonvulsant
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 177,261,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >200 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Behavioral - muscle contraction or spasticity
   Gastrointestinal - nausea or vomiting
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 138,505,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : >250 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Behavioral - muscle contraction or spasticity
   Gastrointestinal - nausea or vomiting
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 138,505,1962
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 350 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - muscle contraction or spasticity
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 138,505,1962
 
                            *** END OF RECORD ***