*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR6497000 CHEMICAL NAME : 3(2H)-Pyridazinone, 6-(ethylmethylamino)-2-phenyl- CAS REGISTRY NUMBER : 35451-63-9 LAST UPDATED : 199012 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H15-N3-O MOLECULAR WEIGHT : 229.31 WISWESSER LINE NOTATION : T6NNVJ BR& FN2&1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6-(Ethyl-methylamino)-2-phenyl-3(2H)-pyridazinone * 6-(Ethyl-methylamino)-2-phenylpyridazone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 197 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - other changes REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 4,195,1970 *** END OF RECORD ***