*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : CD3032000 CHEMICAL NAME : Antipyrine, 4-(9H-purin-6-ylamino)- CAS REGISTRY NUMBER : 52972-57-3 LAST UPDATED : 198608 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C16-H15-N7-O MOLECULAR WEIGHT : 321.38 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 1-Phenyl-2,3-dimethyl-4-(6'-purinylamino)pyrazolone-5 * 4-(9H-Purin-6-ylamino)antipyrine *** 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 : 3 gm/kg TOXIC EFFECTS : Behavioral - sleep Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 22,419,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2500 mg/kg TOXIC EFFECTS : Behavioral - sleep Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 22,419,1974 *** END OF RECORD ***