*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : JF7976000
CHEMICAL NAME           : 18,19-Dinorpregn-4-en-20-yn-3-one,
                          17-(acetyloxy)-13-ethyl-, 3-oxime, (17-alpha)-
CAS REGISTRY NUMBER     : 35189-28-7
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C23-H31-N-O3
MOLECULAR WEIGHT        : 369.55
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * (17-alpha)-17-(Acetyloxy)-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one  
   3-oxime
   * Dexnorgestrel acetime
   * d-13-beta-Ethyl-17-alpha-ethynyl-17-beta-acetoxygon-4-en-3-one oxime
   * Norgestimate
   * ORF 10131
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1 mg/kg
SEX/DURATION            : female 2 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Fertility - other measures of fertility
REFERENCE :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 16,541,1977
 
                            *** END OF RECORD ***