*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NY3450000
CHEMICAL NAME           : 9H-Isoxazolo(3,2-b)quinazolin-9-one, 2,3-dihydro-
CAS REGISTRY NUMBER     : 37795-69-0
BEILSTEIN REFERENCE NO. : 1076660
LAST UPDATED            : 199706
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C10-H8-N2-O2
MOLECULAR WEIGHT        : 188.20
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 2,3-Dihydro-9H-isoxazolo(3,2-b)chinazolin-9-on
   * 2,3-Dihydro-9H-isoxazolo(3,2-b)quinazolin-9-one
   * W-2429
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 395 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,770,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 278 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,770,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 420 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,770,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 212 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,770,1977
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 700 mg/kg
TOXIC EFFECTS :
   Behavioral - food intake (animal)
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,793,1977
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3 gm/kg/30D-C
TOXIC EFFECTS :
   Brain and Coverings - changes in brain weight
   Liver - changes in liver weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,793,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 3 gm/kg/30D-I
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 27,793,1977
 
                            *** END OF RECORD ***