*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : UR0793000 CHEMICAL NAME : 1H-Pyrazolo(4,3-d)pyrimidin-7(6H)-one, 6-(2,4-dichloroanilino)-3-methyl- CAS REGISTRY NUMBER : 86831-74-5 LAST UPDATED : 199306 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C12-H9-Cl2-N5-O MOLECULAR WEIGHT : 310.16 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 6-(2,4-Dichloroanilino)-3-methyl-1H-pyrazolo(4,3-d)pyrimidin-7(6H)-one * 7H-Pyrazolo(4,3-d)pyrimidin-7-one, 6-((2,4-dichlorophenyl)amino)-1,6-dihydro-3-methyl- *** 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 : 500 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: 38,508,1983 *** END OF RECORD ***