*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU5563000 CHEMICAL NAME : Pregn-4-en-20-one, 17-hydroxy-, acetate CAS REGISTRY NUMBER : 17794-79-5 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C23-H34-O3 MOLECULAR WEIGHT : 358.57 COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 3-Deoxy-17-alpha-acetoxyprogesterone * 17-Hydroxypregn-4-en-20-one acetate * Pregn-4-en-20-one, 17-(acetyloxy)- *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE : 5 mg/kg SEX/DURATION : female 1 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - mating performance (e.g. # sperm positive females per # females mated; # copulations per # estrus cycles) Reproductive - Fertility - other measures of fertility REFERENCE : ACEDAB Acta Endocrinologica, Supplementum (Copenhagen). (Periodica, Skolegade 12 E, DK-2500 Valby, Denmark) No.1- 1948- Volume(issue)/page/year: 73,17,1963 *** END OF RECORD ***