*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR6430000
CHEMICAL NAME           : 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-5-phenyl-
CAS REGISTRY NUMBER     : 35991-33-4
BEILSTEIN REFERENCE NO. : 0745436
REFERENCE               : 5-24-03-00308 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C11-H12-N2-O
MOLECULAR WEIGHT        : 188.25
SYNONYMS/TRADE NAMES :
   * 4,5-Dihydro-6-methyl-5-phenyl-3(2H)-pyridazinone
   * 5-Phenyl-6-methyl-4,5-dihydro-3(2H)-pyridazinone
 
                       *** 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           : 409 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 43,539,1988
 
                            *** END OF RECORD ***