*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : RB5875750 CHEMICAL NAME : A-Norandrostane-2-beta,16-beta-diol, 2,16-diethynyl- LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C22-H30-O2 MOLECULAR WEIGHT : 326.52 COMPOUND DESCRIPTOR : Reproductive Effector Hormone SYNONYMS/TRADE NAMES : * 2,16-Diethynyl-A-norandrostane-2-beta,16-beta-diol *** HEALTH HAZARD DATA *** ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Rodent - rat DOSE : 7 ug/kg SEX/DURATION : female 1 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 : 15TRAW "Preimplantation Stages of Pregnancy, Ciba Foundation Symposium, London, 1965," Wolstenholme, G.E.W., and M. O'Connor, eds., Boston, Little, Brown and Co., 1965 Volume(issue)/page/year: -,378,1965 *** END OF RECORD ***