*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU4140000 CHEMICAL NAME : Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-, acetate mixed with 19-nor-17-alpha- pregna-1,3,5(10)-trien-2-yne-3,17-diol CAS REGISTRY NUMBER : 8064-66-2 LAST UPDATED : 198910 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C24-H32-O4.C20-H24-O2 MOLECULAR WEIGHT : 681.00 COMPOUND DESCRIPTOR : Tumorigen Reproductive Effector Human Hormone SYNONYMS/TRADE NAMES : * Ethynylestradiol-magestrol acetate * Ethinylestradiol mixed with megestrol acetate * Kombiquens * Megestrol acetate mixed with ethinyloestradiol * Megethinyl * Menoquens * Neodelpregnin * Oraconal * Serial * Tri-ervonum * Voldys * Volidan *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - woman DOSE/DURATION : 10584 ug/kg/2Y-I TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Blood - normocytic anemia REFERENCE : LANCAO Lancet. (7 Adam St., London WC2N 6AD, UK) V.1- 1823- Volume(issue)/page/year: 1,273,1980 TYPE OF TEST : TD - Toxic dose (other than lowest) ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - woman DOSE/DURATION : 41 mg/kg/2Y-I TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors REFERENCE : BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 4,496,1975 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - woman DOSE : 2430 ug/kg SEX/DURATION : female 30 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) REFERENCE : BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 1,1318,1963 *** END OF RECORD ***