*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8950000
CHEMICAL NAME           : 19-Norpregna-1,3,5(10)-trien-20-yn-17-ol,
                          3-(cyclopentyloxy)-11-methyl-, (11-beta,17-alpha)-
CAS REGISTRY NUMBER     : 55648-36-7
LAST UPDATED            : 198910
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C26-H34-O2
MOLECULAR WEIGHT        : 378.60
WISWESSER LINE NOTATION : L E5 B666TTT&J C1 E1 FQ F1UU1 OO- AL5TJ
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 17-alpha-Ethynyl-11-beta-methylestradiol-3-cyclopentyl ether
   * SC-20775
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 2 mg/kg
SEX/DURATION            : female 1 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 :
   JWMAA9 Journal of Wildlife Management.  (Wildlife Soc., 5410 Grosvenor Lane,
   Bethesda, MD 20814) V.1-    1937-  Volume(issue)/page/year: 39,26,1975
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 100 ug/kg
SEX/DURATION            : lactating female 1 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
   JWMAA9 Journal of Wildlife Management.  (Wildlife Soc., 5410 Grosvenor Lane,
   Bethesda, MD 20814) V.1-    1937-  Volume(issue)/page/year: 39,26,1975
 
                            *** END OF RECORD ***