*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR7442000 CHEMICAL NAME : 3(2H)-Pyridazinone, 6-methyl-5-phenyl- CAS REGISTRY NUMBER : 63795-91-5 BEILSTEIN REFERENCE NO. : 0641318 REFERENCE : 5-24-03-00473 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H10-N2-O MOLECULAR WEIGHT : 186.23 SYNONYMS/TRADE NAMES : * 6-Methyl-5-phenyl-3(2H)-pyridazinone * 5-Phenyl-6-methyl-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 : 544 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 ***