*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : JF8330000
CHEMICAL NAME           : 18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one,
                          17-hydroxy-13-propyl-
CAS REGISTRY NUMBER     : 1044-96-8
BEILSTEIN REFERENCE NO. : 5592410
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C22-H30-O2
MOLECULAR WEIGHT        : 326.52
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Human
                          Hormone
SYNONYMS/TRADE NAMES :
   * 18,19-Dinorpregn-4-en-20-yn-3-one, 17-hydroxy-13-propyl-, (17-alpha)-
   * 17-Hydroxy-13-propyl-18,19-dinor-17-alpha-pregn-4-en-20-yn-3-one
   * R 1364
   * R 1364 (Steroid)
   * RU 1364
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Implant
SPECIES OBSERVED        : Human - woman
DOSE                    : 222 ug/kg
SEX/DURATION            : female 39 week(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: 18,411,1978
 
                            *** END OF RECORD ***