*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KG7380000
CHEMICAL NAME           : Estra-1,3,5(10)-triene-3,17-beta-diol,
                          17-alpha-butadiynyl-
CAS REGISTRY NUMBER     : 2010-52-8
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C22-H24-O2
MOLECULAR WEIGHT        : 320.46
WISWESSER LINE NOTATION : L E5 B666TTT&J E1 FQ F1UU2UU1 OQ
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 17-alpha-Butadiynyl-3,17-beta-dihydroxy-1,3,5(10)-estratriene
   * 17-alpha-Butadiynylestra-1,3,5(10)-triene-3,17-beta-diol
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 275 ug/kg
SEX/DURATION            : female 11 day(s) pre-mating
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: 4,801,1964
 
                            *** END OF RECORD ***