*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ6445000
CHEMICAL NAME           : Pyrazole, 4-chloro-
CAS REGISTRY NUMBER     : 15878-00-9
BEILSTEIN REFERENCE NO. : 0106355
REFERENCE               : 5-23-04-00164 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C3-H3-Cl-N2
MOLECULAR WEIGHT        : 102.53
WISWESSER LINE NOTATION : T5MNJ EG
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4-Chloropyrazole
   * L-21842
 
                       *** 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           : 527 mg/kg
TOXIC EFFECTS :
   Behavioral - anticonvulsant
   Behavioral - somnolence (general depressed activity)
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: 121,443,1959
 
                            *** END OF RECORD ***