*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KG7540000
CHEMICAL NAME           : Estra-1,3,5(10)-triene-16-alpha,17-beta-diol,
                          3-methoxy-
CAS REGISTRY NUMBER     : 1474-53-9
LAST UPDATED            : 199304
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C19-H26-O3
MOLECULAR WEIGHT        : 302.45
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * Estra-1,3,5(10)-triene-16,17-diol, 3-methoxy-, (16-alpha,17-beta)-
   * Estriol methyl ether
   * Estriol 3-methyl ether
   * 3-Methoxyestriol
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intramuscular
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 5600 ug/kg
SEX/DURATION            : male 14 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - testes, epididymis, sperm duct
   Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
   accessory glands
REFERENCE :
   IJEBA6 Indian Journal of Experimental Biology.  (Publications & Information
   Directorate, CSIR, Hillside Rd., New Delhi 110 012, India)  V.1-    1963-
   Volume(issue)/page/year: 15,16,1977

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Sperm morphology-rat

 
                            *** END OF RECORD ***