*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8962900
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-4-en-20-yne-3,17-diol,
                          diacetate
CAS REGISTRY NUMBER     : 6785-71-3
LAST UPDATED            : 198910
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C24-H32-O4
MOLECULAR WEIGHT        : 384.56
WISWESSER LINE NOTATION : L E5 B666 MUTJ E1 FOV1 F1UU1 OOV1
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 17-alpha-Ethynyl-19-nor-delta(sup 4)-androstene-3,17-diacetoxy
   * 19-Nor-17-alpha-pregn-4-en-20-yne-3,17-beta-diol, diacetate
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 7 mg/kg
SEX/DURATION            : female 35 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 :
   RPHRA6 Recent Progress In Hormone Research.  Proceedings of the Laurentian
   Hormone Conference. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)
    V.1-    1947-  Volume(issue)/page/year: 20,395,1964
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 15 mg/kg
SEX/DURATION            : female 30 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - uterus, cervix, vagina
REFERENCE :
   RPHRA6 Recent Progress In Hormone Research.  Proceedings of the Laurentian
   Hormone Conference. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802)
    V.1-    1947-  Volume(issue)/page/year: 20,395,1964
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 300 ug/kg
SEX/DURATION            : female 1 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
REFERENCE :
   85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press,
   1965  Volume(issue)/page/year: -,57,1965
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 300 ug/kg
SEX/DURATION            : female 1 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
REFERENCE :
   85GRAA "The Control of Fertility," Pincus, G., New York, Academic Press,
   1965  Volume(issue)/page/year: -,57,1965
 
                            *** END OF RECORD ***