*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8962000
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-4-en-20-yne-3-beta,17-diol,
                          17-acetate
CAS REGISTRY NUMBER     : 2061-46-3
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C22-H30-O3
MOLECULAR WEIGHT        : 342.52
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * Norethynodiol 17-monoacetate
   * 19-Norpregn-4-en-20-yne-3,17-diol, 17-acetate, (3-beta,17-alpha)-
   * SC 12222
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 2400 ug/kg
SEX/DURATION            : female 4-6 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 :
   JRPFA4 Journal of Reproduction and Fertility.  (Biochemical Soc. Book Depot,
   POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK)  V.1-    1960-
   Volume(issue)/page/year: 9,277,1965
 
                            *** END OF RECORD ***