*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XI4877500 CHEMICAL NAME : 8H-(1,3,4)Thiadiazolo(3,2-a)thieno(2,3-d)pyrimidin-8- one, 2-(2-ethoxyphenyl)-6-phenyl- CAS REGISTRY NUMBER : 103344-20-3 BEILSTEIN REFERENCE NO. : 5648259 LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C21-H15-N3-O2-S2 MOLECULAR WEIGHT : 405.51 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-(2-Ethoxyphenyl)-6-phenyl-8H-(1,3,4)thiadiazolo(3,2-a)thieno(2,3-d)pyr imidin-8-one *** 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 : >1 gm/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 21,119,1986 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 700 mg/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression REFERENCE : EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 21,119,1986 *** END OF RECORD ***