*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : TU5559900 CHEMICAL NAME : Pregn-4-en-3-one, 20-alpha-hydroxy- CAS REGISTRY NUMBER : 145-14-2 BEILSTEIN REFERENCE NO. : 2220567 REFERENCE : 4-08-00-01018 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C21-H32-O2 MOLECULAR WEIGHT : 316.53 COMPOUND DESCRIPTOR : Mutagen Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 20-alpha-Dihydroprogesterone * 20-alpha-Hydroxydihydroprogesterone * (20S)-20-Hydroxypregn-4-en-3-one * 20(S)-Hydroxyprogesterone * 20-alpha-Hydroxyprogesterone * Pregn-4-en-3-one, 20-hydroxy-, (20S)- * 20-alpha-Progerol * Progesterol-20-alpha *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE : 40 mg/kg SEX/DURATION : female 10 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 : FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 23,196,1972 ** MUTATION DATA ** TYPE OF TEST : DNA inhibition TEST SYSTEM : Human Lymphocyte DOSE/DURATION : 10 mg/L REFERENCE : AJOGAH American Journal of Obstetrics and Gynecology. (C.V. Mosby Co., 11830 Westline Industrial Dr., St. Louis, MO 63146) V.1- 1920- Volume(issue)/page/year: 127,151,1977 *** END OF RECORD ***