*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU4156000 CHEMICAL NAME : Pregna-4,17(20)-dien-21-oic acid, 16-beta-hydroxy-3,11-dioxo-, gamma-lactone CAS REGISTRY NUMBER : 337-68-8 BEILSTEIN REFERENCE NO. : 1297816 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H24-O4 MOLECULAR WEIGHT : 340.45 WISWESSER LINE NOTATION : T F5 E5 B666 CV HVO RV PU JH&TTTTJ A1 E1 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 16-beta-Hydroxy-3,11-dioxopregna-4,17(20)-dien-21-oic acid, gamma-lactone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 79 mg/kg TOXIC EFFECTS : Tumorigenic - active as anti-cancer agent 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: 7,348,1964 *** END OF RECORD ***