*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RC8960600 CHEMICAL NAME : 19-Norpregn-4-ene-3,20-dione, 16-ethyl-21-((1-oxododecyl)oxy)-, (16-alpha)- CAS REGISTRY NUMBER : 67490-00-0 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C34-H54-O4 MOLECULAR WEIGHT : 526.88 COMPOUND DESCRIPTOR : Reproductive Effector Human Hormone SYNONYMS/TRADE NAMES : * 16-alpha-Ethyl-21-hydroxy-19-norpregn-4-ene-3,20-dione 21-dodecanoate * 16-alpha-Ethyl-21-((1-oxododecyl)oxy)-19-norpregn-4-ene-3,20-dione * ORG 2154 *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Human - woman DOSE : 4 mg/kg SEX/DURATION : female 1 day(s) pre-mating TOXIC EFFECTS : Reproductive - Fertility - other measures of fertility REFERENCE : CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 25,551,1982 *** END OF RECORD ***