*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DJ2218200 CHEMICAL NAME : 4H-1-Benzopyran-2-carbonitrile, 4-oxo- CAS REGISTRY NUMBER : 33543-90-7 BEILSTEIN REFERENCE NO. : 0132828 REFERENCE : 5-18-08-00316 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H5-N-O2 MOLECULAR WEIGHT : 171.16 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 2-Cyanochromone * 4-Oxo-4H-1-benzopyran-2-carbonitrile *** 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 : >100 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 15,865,1972 *** END OF RECORD ***