*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : GE3690000 CHEMICAL NAME : Cinnolin-4(1H)-one, 1-(1,3-dihydro-4,5-dimethoxy-3-oxoisobenzofuran-1-yl) -6,7-dimethoxy- CAS REGISTRY NUMBER : 81023-06-5 BEILSTEIN REFERENCE NO. : 5169787 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H18-N2-O7 MOLECULAR WEIGHT : 398.40 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6,7-Dimethoxy-1-(1,3-dihydro-4,5-dimethoxy-3-oxoisobenzofuran-1-yl)cinno lin-4(1H)-one * 1-(4',5'-Dimethoxy-3'-oxo-1',3'-dihydroisobenzofuran-1'-yl)-6,7-dimethox ycinnolin-4(1H)-one *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 100 mg/kg TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - muscle weakness REFERENCE : AJCHAS Australian Journal of Chemistry. (Commonwealth Scientific and Industrial Research Organization, 314 Albert St., E. Melbourne, Vic. 3002, Australia) V.6- 1953- Volume(issue)/page/year: 34,2619,1981 *** END OF RECORD ***