*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DD6730000
CHEMICAL NAME           : Benzimidazole,
                          1-(p-chlorobenzyl)-2-(1-pyrrolidinylmethyl)-,
                          monohydrochloride
CAS REGISTRY NUMBER     : 1163-36-6
LAST UPDATED            : 199512
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C19-H20-Cl-N3.Cl-H
MOLECULAR WEIGHT        : 362.33
WISWESSER LINE NOTATION : T56 BN DNJ B1R DG& C1- AT5NTJ &GH
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Allercur
   * Allercure hydrochloride
   * 1-(p-Chlorobenzil)-2-pirrolidil-metil-benzimidazolo cloridato
   * 1-(p-Chlorobenzyl)-2-(1-pyrrolidinylmethyl)benzimidazole hydrochloride
   * 1-p-Chlorobenzyl-pyrrolidyl-methylene-benzimidazole hydrochloride
   * Clemizole hydrochloride
   * P 48
   * Reactrol
 
                       *** 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           : 1950 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 49,18,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 74 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 49,18,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 837 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 49,18,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 290 mg/kg
TOXIC EFFECTS :
   Autonomic Nervous System - smooth muscle relaxant (mechanism undefined,
   spasmolytic)
REFERENCE :
   FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia,
   Italy)  V.8-43 1953-88 For publisher information, see FRMCE8
   Volume(issue)/page/year: 14,194,1959
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 75 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 49,18,1960
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 26 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
   Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium)  V.4-   
   1898-  Volume(issue)/page/year: 113,313,1958
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 182 gm/kg/26W-C
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   JAPMA8 Journal of the American Pharmaceutical Association, Scientific
   Edition.  (Washington, DC) V.29-49, 1940-60.  For publisher information, see
   JPMSAE.  Volume(issue)/page/year: 49,18,1960
 
                            *** END OF RECORD ***