*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RC9042000
CHEMICAL NAME           : 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-,
                          and testosterone
LAST UPDATED            : 198910
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C20-H26-O2.C19-H28-O2
MOLECULAR WEIGHT        : 586.93
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Human
                          Hormone
SYNONYMS/TRADE NAMES :
   * Norethindrone and testosterone
   * Testosterone and norethindrone
 
                       *** HEALTH HAZARD DATA ***
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Multiple routes
SPECIES OBSERVED        : Human - man
DOSE                    : 50 mg/kg
SEX/DURATION            : male 30 week(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
   Reproductive - Paternal Effects - breast development
REFERENCE :
   CCPTAY Contraception.  (Geron-X, Inc., POB 1108, Los Altos, CA 94022)  V.1-
   1970-  Volume(issue)/page/year: 8,207,1973
 
                            *** END OF RECORD ***