*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR6475050
CHEMICAL NAME           : 3(2H)-Pyridazinone,
                          4,5-dihydro-6-(4-(4-pyridinylamino)phenyl)-
CAS REGISTRY NUMBER     : 98326-32-0
LAST UPDATED            : 199606
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C15-H14-N4-O
MOLECULAR WEIGHT        : 266.33
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 6-(4-(4-Pyridinylamino)phenyl)-4,5-dihydro-3(2H)-pyridazinone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 341 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EPXXDW European Patent Application. (U.S. Patent and Trademark Office,
   Foreign Patents, Washington, DC 20231)  Volume(issue)/page/year: #0145019
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 97 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EPXXDW European Patent Application. (U.S. Patent and Trademark Office,
   Foreign Patents, Washington, DC 20231)  Volume(issue)/page/year: #0145019
 
                            *** END OF RECORD ***