*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NJ5749600
CHEMICAL NAME           : 1H-Imidazo(4,5-c)pyridine,
                          2-(2-methoxy-4-(methylsulfinyl)phenyl)-,
                          monohydrochloride
CAS REGISTRY NUMBER     : 87359-33-9
LAST UPDATED            : 199407
DATA ITEMS CITED        : 10
MOLECULAR FORMULA       : C14-H13-N3-O2-S.Cl-H
MOLECULAR WEIGHT        : 323.82
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Isomazole hydrochloride
   * LY 175326
   * 2-(2-Methoxy-4-(methylsulfinyl)phenyl)-1H-imidazo(4,5-c)pyridine  
   hydrochloride
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 132 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCDREP New Cardiovascular Drugs.  (Raven Press, 1185 Ave. of the Americas,
   New York, NY 10036)  1985-  Volume(issue)/page/year: 5,189,1987
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 130 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCDREP New Cardiovascular Drugs.  (Raven Press, 1185 Ave. of the Americas,
   New York, NY 10036)  1985-  Volume(issue)/page/year: 5,189,1987
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 427 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - convulsions or effect on seizure threshold
   Behavioral - ataxia
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,409,1989
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 100 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Cardiac - pulse rate increase, without fall in BP
   Vascular - BP lowering not characterized in autonomic section
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,418,1989
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 18018 mg/kg/91D-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - other Enzymes
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,409,1989
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 13832 mg/kg/26W-C
TOXIC EFFECTS :
   Liver - fatty liver degeneration
   Liver - changes in liver weight
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,409,1989
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 24820 mg/kg/1Y-C
TOXIC EFFECTS :
   Liver - fatty liver degeneration
   Liver - changes in liver weight
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,409,1989
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 17108 mg/kg/2Y-C
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Related to Chronic Data - changes in testicular weight
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   16,198,1991
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 5840 mg/kg/1Y-I
TOXIC EFFECTS :
   Cardiac - other changes
   Cardiac - changes in heart weight
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,418,1989
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 1137 mg/kg/91D-I
TOXIC EFFECTS :
   Cardiac - changes in heart weight
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,418,1989
 
                            *** END OF RECORD ***