*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8899790
CHEMICAL NAME           : 19-Nor-17-alpha-pregna-4,6-dien-20-yne-3,17-diol,
                          diacetate
LAST UPDATED            : 198910
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C24-H30-O4
MOLECULAR WEIGHT        : 382.54
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 5 mg/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 :
   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                    : 4 mg/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 :
   85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press,
   1965  Volume(issue)/page/year: -,111,1965
 
                            *** END OF RECORD ***