*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8919900
CHEMICAL NAME           : 19-Nor-17-alpha-pregna-1,3,5(10)-triene-3,17-diol
CAS REGISTRY NUMBER     : 2553-34-6
LAST UPDATED            : 198910
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C20-H28-O2
MOLECULAR WEIGHT        : 300.48
WISWESSER LINE NOTATION : L E5 B666TTT&J E1 FQ F2 OQ
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 17-alpha-Ethylestradiol
   * 17-alpha-Ethyl-17-beta-estradiol
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
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       : 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 :
   13OPAL "Control of Ovulation, Proceedings of the Conference, Dedham, MA,
   1960," Villee, C.A., ed., Oxford, UK, Pergamon Press Ltd., 1961
   Volume(issue)/page/year: -,37,1961
 
                            *** END OF RECORD ***