*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : JF8350000
CHEMICAL NAME           : A,19-Dinorpregn-20-yne-2,17-diol, 2-ethynyl-,
                          diacetate, (2-beta,5-alpha,17-alpha)-
CAS REGISTRY NUMBER     : 70226-89-0
LAST UPDATED            : 199504
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C25-H32-O4
MOLECULAR WEIGHT        : 396.57
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * Dinordrin I diacetate
   * (2-beta,5-alpha,17-alpha)-2-Ethynyl-A,19-dinorpregn-20-yne-2,17-diol  
   diacetate
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 50 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)
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
REFERENCE :
   STEDAM Steroids.  (Holden-Day Inc., 4432 Telegraph Ave., Oakland, CA 94609)
   V.1-    1963-  Volume(issue)/page/year: 33,85,1979
 
                            *** END OF RECORD ***