*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RC8899100 CHEMICAL NAME : 19-Norpregna-4,6-diene-3,20-dione, 6,11-beta-dichloro-17-hydroxy-, acetate CAS REGISTRY NUMBER : 24432-00-6 BEILSTEIN REFERENCE NO. : 2189964 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C22-H26-Cl2-O4 MOLECULAR WEIGHT : 425.38 COMPOUND DESCRIPTOR : Drug Reproductive Effector Human Hormone SYNONYMS/TRADE NAMES : * 17-alpha-Acetoxy-6-beta,11-beta-dichloro-19-norpregna-4,6-diene-3,20-dio ne * 6,11-beta-Dichloro-17-hydroxy-19-norpregna-4,6-diene-3,20-dione acetate * GR 2/1159 * 19-Norpregna-4,6-diene-3,20-dione, 17-(acetyloxy)-6,11-dichloro-, (11-beta)- *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - woman DOSE : 1456 ug/kg SEX/DURATION : female 26 week(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) REFERENCE : CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 16,339,1977 *** END OF RECORD ***