*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KG7997000 CHEMICAL NAME : Estr-4-en-3-one, 17-beta-hydroxy-6-alpha-methyl- CAS REGISTRY NUMBER : 72205-40-4 LAST UPDATED : 198910 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C19-H28-O2 MOLECULAR WEIGHT : 288.47 COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * Estr-4-en-3-one, 17-hydroxy-6-methyl-, (6-alpha,17-beta)- * 17-beta-Hydroxy-6-alpha-methylestr-4-en-3-one * 6-alpha-Methyl-19-nortestosterone *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE : 1 mg/kg SEX/DURATION : female 1 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - other measures of fertility REFERENCE : 85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press, 1965 Volume(issue)/page/year: -,57,1965 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE : 200 ug/kg SEX/DURATION : female 1 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - other measures of fertility REFERENCE : 85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press, 1965 Volume(issue)/page/year: -,57,1965 *** END OF RECORD ***