*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MU2625500 CHEMICAL NAME : Hydantoin, 5-methyl-5-phenyl- CAS REGISTRY NUMBER : 6843-49-8 LAST UPDATED : 199706 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C10-H10-N2-O2 MOLECULAR WEIGHT : 190.22 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * CB 1664 * 2,4-Imidazolidinedione, 5-methyl-5-phenyl- * 5-Methyl-5-phenylhydantoin * T13 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 5,108,1960 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 560 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 4,723,1954 *** END OF RECORD ***