*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XZ5486000 CHEMICAL NAME : 1,2,4-Triazolo(4,3-b)pyridazine, 6-(p-fluorophenyl)-8-phenyl- CAS REGISTRY NUMBER : 73673-83-3 BEILSTEIN REFERENCE NO. : 1137866 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C17-H11-F-N4 MOLECULAR WEIGHT : 290.32 WISWESSER LINE NOTATION : T56 AN CNN INJ FR& HR DF COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6-(p-Fluorophenyl)-8-phenyl-1,2,4-triazolo(4,3-b)pyridazine *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD - Lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRMCE8 Farmaco. (Societa Chimica Italiana, Corso Strada Nova, 86, Casella Postale 227, 27100 Pavia, Italy) V.44- 1989- Volume(issue)/page/year: 45,331,1990 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1 gm/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - respiratory stimulation REFERENCE : PHARAT Pharmazie. (VEB Verlag Volk und Gesundheit, Neue Gruenstr. 18, Berlin DDR-1020, Ger. Dem. Rep.) V.1- 1946- Volume(issue)/page/year: 34,801,1979 *** END OF RECORD ***