*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DD7130000
CHEMICAL NAME           : 1H-Benzimidazole-2,5-diamine, N(sup
                          2)-(4,6-dimethyl-2-pyrimidinyl)-, hydrochloride,
                          hydrate (2:4:1)
CAS REGISTRY NUMBER     : 124636-11-9
LAST UPDATED            : 199803
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C13-H14-N6.2Cl-H.1/2H2-O
MOLECULAR WEIGHT        : 290.79
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 2-(5'-Amino-2'-benzimidazole)amino-4,6-dimethylpyrimidine dihydrochloride 
    hemihydrate
   * N(sup 2)-(4,6-Dimethyl-2-pyrimidinyl)-1H-benzimidazole-2,5-diamine  
   dihydrochloride 1/2H2O
 
                       *** 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           : 320 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PJPPAA Polish Journal of Pharmacology and Pharmacy.  (ARS Polona, POB 1001,
   00-068 Warsaw 1, Poland) V.25-    1973-  Volume(issue)/page/year: 41,89,1989
 
                            *** END OF RECORD ***