*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC9033000
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-,
                          oxime
CAS REGISTRY NUMBER     : 23965-86-8
BEILSTEIN REFERENCE NO. : 2300127
LAST UPDATED            : 199612
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C20-H27-N-O2
MOLECULAR WEIGHT        : 313.48
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Hormone
SYNONYMS/TRADE NAMES :
   * 17-Hydroxy-19-nor-17-alpha-pregn-4-en-20-yn-3-one oxime
   * Norethindrone oxime
   * Norethisterone-3-oxime
   * 19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-, oxime, (17-alpha)-
   * SO-33
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 2500 ug/kg
SEX/DURATION            : female 1-5 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
REFERENCE :
   SCYYDZ Shengzhi Yu Biyun.  Reproduction and Contraception.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) 1980-
    Volume(issue)/page/year: 10(3),67,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 4 mg/kg
SEX/DURATION            : female 6-9 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - female fertility index (e.g. # females pregnant
   per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
   SCYYDZ Shengzhi Yu Biyun.  Reproduction and Contraception.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) 1980-
    Volume(issue)/page/year: 10(3),67,1990
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE                    : 6 mg/kg
SEX/DURATION            : female 2-4 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Maternal Effects - ovaries, fallopian tubes
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
REFERENCE :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 36,667,1987
 
                            *** END OF RECORD ***