*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RC8943900 CHEMICAL NAME : 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 11-methoxy-, (11-alpha,17-alpha)- CAS REGISTRY NUMBER : 61665-15-4 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H26-O3 MOLECULAR WEIGHT : 326.47 COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 11-alpha-Methoxyethinylestradiol * 11-alpha-Methoxy-19-nor-17-alpha-1,3,5(10)-pregnatrien-20-yne-3,17-diol * RU 16117 *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE : 10 ug/kg SEX/DURATION : female 2 day(s) pre-mating TOXIC EFFECTS : Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Fertility - other measures of fertility REFERENCE : BIREBV Biology of Reproduction. (Soc. for the Study of Reproduction, 309 W. Clark St., Champaign, IL 61820) V.1- 1969- Volume(issue)/page/year: 18,99,1978 *** END OF RECORD ***