*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NJ5101500 CHEMICAL NAME : 1H-Imidazo(4,5-d)pyridazine-4,7-dione, 2,3,5,6-tetrahydro-1-phenyl-2-thioxo- CAS REGISTRY NUMBER : 63886-80-6 BEILSTEIN REFERENCE NO. : 0263310 REFERENCE : 4-26-00-02633 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H8-N4-O2-S MOLECULAR WEIGHT : 260.29 SYNONYMS/TRADE NAMES : * 1-Phenyl-2-mercapto-4,7-dihydroxy-1,3,5,6-tetraazaindene * 1-Phenyl-2,3,5,6-tetrahydro-2-thioxo-1H-imidazo(4,5-d)pyridazine-4,7-dio ne *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 250 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD691-490 *** END OF RECORD ***