*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR6371700
CHEMICAL NAME           : 3(2H)-Pyridazinone,
                          4,5-dihydro-6-(4-(1H-imidazol-1-yl)phenyl)-5-methyl-,
                          monohydrochloride
CAS REGISTRY NUMBER     : 90791-23-4
LAST UPDATED            : 199506
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C14-H14-N4-O.Cl-H
MOLECULAR WEIGHT        : 290.78
SYNONYMS/TRADE NAMES :
   * CI 930 hydrochloride
   * 4,5-Dihydro-6-(4-(1H-imidazol-1-yl)phenyl)-5-methyl-3(2H)-pyridazinone  
   monohydrochloride
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 120 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 5,111,1985
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 160 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 5,111,1985
 
                            *** END OF RECORD ***