*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QL6127150 CHEMICAL NAME : 1H-Naphtho(2,1-b)pyran-8-carboxylic acid, 3-(diethylamino)-1-oxo-, methyl ester CAS REGISTRY NUMBER : 57944-52-2 BEILSTEIN REFERENCE NO. : 1657703 REFERENCE : 5-18-12-00405 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C19-H19-N-O4 MOLECULAR WEIGHT : 325.39 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * K 9903 *** 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 : >800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 30,870,1975 *** END OF RECORD ***