*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ6391350
CHEMICAL NAME           : 1H-Pyrazole-4-carboxylic acid,
                          5-amino-1-(6-hydrazino-3-pyridazinyl)-, ethyl ester
CAS REGISTRY NUMBER     : 69720-59-8
BEILSTEIN REFERENCE NO. : 0892903
REFERENCE               : 5-25-17-00459 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C10-H13-N7-O2
MOLECULAR WEIGHT        : 263.30
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 5-Amino-1-(6-hydrazino-3-pyridazinyl)-1H-pyrazole-4-carboxylic acid ethyl 
    ester
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Vascular - BP lowering not characterized in autonomic section
REFERENCE :
   EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique.
   (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France)
   V.9-    1974-  Volume(issue)/page/year: 14,439,1979
 
                            *** END OF RECORD ***