*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU5535000 CHEMICAL NAME : 5-alpha-Pregn-17(20)-en-21-oic acid, 3-beta,16-beta-dihydroxy-11-oxo-, gamma-lactone CAS REGISTRY NUMBER : 337-67-7 LAST UPDATED : 199709 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H28-O4 MOLECULAR WEIGHT : 344.49 WISWESSER LINE NOTATION : T F5 E5 B666 CV HVO JH&TTTTJ A1 E1 P1 RQ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 3-beta,16-beta-Dihydroxy-11-oxo-5-alpha-pregn-17(20)-en-21-oic acid, gamma-lactone * Pregn-17(20)-en-21-oic acid, 3,16-dihydroxy-11-oxo-, gamma-lactone, (3-beta,5-alpha,16-beta)- * U 18317 *** 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 : 115 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 ***