*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DJ3100941
CHEMICAL NAME           : 2H-(1)Benzopyrano(4,3-c)pyridazin-3(4H)-one,
                          4a,5-dihydro-
CAS REGISTRY NUMBER     : 133414-47-8
BEILSTEIN REFERENCE NO. : 4251675
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C11-H10-N2-O2
MOLECULAR WEIGHT        : 202.23
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4a,5-Dihydro-2H(1)benzopyrano(4,3-c)pyridazin-3(4H)-one
   * 4,4a-Dihydro-5H(1)benzopyrano(4,3-c)pyridazin-3(2H)-one
 
                       *** 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           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 25,749,1990
 
                            *** END OF RECORD ***