*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8971000
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-4-en-20-yn-3-one,
                          21-chloro-17-hydroxy-
CAS REGISTRY NUMBER     : 3124-70-7
LAST UPDATED            : 198910
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C20-H25-Cl-O2
MOLECULAR WEIGHT        : 332.90
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 17-alpha-Chlorethynyl-19-nortestosterone
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 500 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                    : 200 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 ***