*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0700900 CHEMICAL NAME : Pyrazolo(4,3-c)pyrazol-3(2H)-one, 1,4-dihydro-1-methyl-2-phenyl- CAS REGISTRY NUMBER : 99640-28-5 BEILSTEIN REFERENCE NO. : 0020178 REFERENCE : 0-26-00-00410 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C11-H10-N4-O MOLECULAR WEIGHT : 214.25 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 4-Methyl-5-phenyl-6-oxo-(4H)pyrazolo(3,4-d)pyrazole *** 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 : 760 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 19,700,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 340 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 19,700,1985 *** END OF RECORD ***