*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MU2452100 CHEMICAL NAME : Hydantoin, 5-ethyl-5-phenyl-, (-)- CAS REGISTRY NUMBER : 65567-32-0 BEILSTEIN REFERENCE NO. : 0085312 REFERENCE : 5-24-08-00092 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 5 MOLECULAR FORMULA : C11-H12-N2-O2 MOLECULAR WEIGHT : 204.25 COMPOUND DESCRIPTOR : Reproductive Effector Human SYNONYMS/TRADE NAMES : * (-)-5-Ethyl-5-phenylhydantoin * l-5-Ethyl-5-phenylhydantoin * (R)-5-Ethyl-5-phenyl-2,4-imidazolidinedione * 2,4-Imidazolidinedione, 5-ethyl-5-phenyl-, (R)- * (-)-Nirvanol * l-Nirvanol * (R)-Nirvanol *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - child DOSE/DURATION : 105 mg/kg TOXIC EFFECTS : Skin and Appendages - dermatitis, allergic (after systemic exposure) Nutritional and Gross Metabolic - body temperature increase REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 47,209,1933 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : BBIADT Biomedica Biochimica Acta. (Akademie-Verlag GmbH, Postfach 1233, Berlin DDR-1086, Ger. Dem. Rep.) V.42- 1983- Volume(issue)/page/year: 46,623,1987 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 125 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 47,209,1933 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 400 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 47,209,1933 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE : 97 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 221,228,1982 *** END OF RECORD ***