*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RB5875800 CHEMICAL NAME : A-Nor-5-alpha-androstane-2-alpha,17-beta-diol, 2-ethynyl- LAST UPDATED : 198910 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C20-H30-O2 MOLECULAR WEIGHT : 302.50 COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 2-Ethynyl-A-nor-5-alpha-androstane-2-alpha,17-beta-diol *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE : 1500 ug/kg SEX/DURATION : female 1-3 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) REFERENCE : 85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press, 1965 Volume(issue)/page/year: -,111,1965 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - mouse DOSE : 2400 ug/kg SEX/DURATION : female 1-3 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) REFERENCE : 85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press, 1965 Volume(issue)/page/year: -,111,1965 *** END OF RECORD ***