*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC9027500
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-,
                          O-methyloxime
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C21-H28-N-O2
MOLECULAR WEIGHT        : 326.50
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * 17-Hydroxy-19-nor-17-alpha-pregn-4-en-20-yn-3-one 3-methoxime
   * Norethisterone 3-methoxime
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 700 ug/kg
SEX/DURATION            : female 7 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 :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 12,511,1975
 
                            *** END OF RECORD ***