*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC8961110
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-5-en-20-yn-17-ol
CAS REGISTRY NUMBER     : 16915-71-2
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C20-H28-O
MOLECULAR WEIGHT        : 284.48
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Human
                          Hormone
SYNONYMS/TRADE NAMES :
   * Cingestol
   * Lutisan
   * 19-Norpregn-5-en-20-yn-17-ol, (17-alpha)-
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE                    : 1825 ug/kg
SEX/DURATION            : female 52 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Maternal Effects - ovaries, fallopian tubes
REFERENCE :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 7,503,1973
 
                            *** END OF RECORD ***