*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : KG7395000 CHEMICAL NAME : Estra-1,3,5(10)-triene-16-alpha,17-beta-diol, 3-(cyclopentyloxy)- CAS REGISTRY NUMBER : 1169-79-5 LAST UPDATED : 198910 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C23-H32-O3 MOLECULAR WEIGHT : 356.55 WISWESSER LINE NOTATION : L E5 B666TTT&J E1 FQ GQ OO- AL5TJ COMPOUND DESCRIPTOR : Drug Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * Colpovis * Colpovister * 3-(Cyclopentyloxy)estra-1,3,5(10)-triene-16-alpha,17-beta-diol * Estra-1,3,5(10)-triene-16,17-diol, 3-(cyclopentyloxy)-, (16-alpha,17-beta)- * Estriol cyclopentyl ether * Estriol 3-cyclopentyl ether * Estriolo 3-etere ciclopentilico * Pentovis * Quinestradiol * Quinestradol * Quinestradolo *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 713 ug/kg SEX/DURATION : female 16-19 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - urogenital system REFERENCE : AOGMAU Annali di Ostetricia, Ginecologia, Medicina Perinatale. (Istiuti Clinica di Perfezionamento di Milano, Via Daverio, 6, 20122 Milan, Italy) V.93- 1972- Volume(issue)/page/year: 96,83,1975 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 500 ug/kg SEX/DURATION : female 1 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) REFERENCE : STEDAM Steroids. (Holden-Day Inc., 4432 Telegraph Ave., Oakland, CA 94609) V.1- 1963- Volume(issue)/page/year: 20,223,1972 *** END OF RECORD ***