*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : JF8309000
CHEMICAL NAME           : 18,19-Dinorpregn-4-en-20-yn-3-one,
                          13-ethyl-17-hydroxy-, oxime,
                          (8-alpha,9-beta,10-alpha,13- alpha,14-beta)-
CAS REGISTRY NUMBER     : 53016-31-2
BEILSTEIN REFERENCE NO. : 4202099
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C21-H29-N-O2
MOLECULAR WEIGHT        : 327.51
COMPOUND DESCRIPTOR     : Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Levonorgestrel oxime
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 20 mg/kg
SEX/DURATION            : female 1-4 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 :
   YHHPAL Yaoxue Xuebao.  Acta Pharmaceutica Sinica.  Pharmaceutical Journal.
   (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep.
   China)  V.1-    1953-    Suspended 1966-78.  Volume(issue)/page/year:
   23,252,1988
 
                            *** END OF RECORD ***