*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU5055000 CHEMICAL NAME : Pregn-4-ene-3,20-dione, 4-hydroxy- CAS REGISTRY NUMBER : 650-66-8 BEILSTEIN REFERENCE NO. : 2062556 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H30-O3 MOLECULAR WEIGHT : 330.51 COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 4-Hydroxypregn-4-ene-3,20-dione * 4-Hydroxyprogesterone *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE : 5 mg/kg SEX/DURATION : female 1 day(s) pre-mating TOXIC EFFECTS : 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: 28,18,1956 *** END OF RECORD ***