*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DE9600000 CHEMICAL NAME : 1H-1,5-Benzodiazepine-2,4(3H,5H)-dione, 7-chloro-1-methyl-5-phenyl- CAS REGISTRY NUMBER : 22316-47-8 BEILSTEIN REFERENCE NO. : 0758410 REFERENCE : 5-24-08-00034 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 18 MOLECULAR FORMULA : C16-H13-Cl-N2-O2 MOLECULAR WEIGHT : 300.76 WISWESSER LINE NOTATION : T67 GNV JVN IHJ CG G1 KR COMPOUND DESCRIPTOR : Drug Reproductive Effector Human SYNONYMS/TRADE NAMES : * Chlorepin * 7-Chloro-1-methyl-5-phenyl-1H-1,5-benzodiazepine-2,4(3H,5H)-dione * Clobazam * Clorepin * Frisium * H-4723 * HR 376 * LM-2717 * 1-Phenyl-5-methyl-8-chloro-1,2,4,5-tetrahydro-2,4-dioxo-3H-1,5-benzodiaz epine * RU-4723 * Urbanyl *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Human - man DOSE/DURATION : 104 mg/kg/1Y-C TOXIC EFFECTS : Behavioral - wakefulness Behavioral - withdrawal Gastrointestinal - nausea or vomiting REFERENCE : BMJOAE British Medical Journal. (British Medical Assoc., BMA House, Tavistock Sq., London WC1H 9JR, UK) V.1- 1857- Volume(issue)/page/year: 282,1931,1981 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 6 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : MDACAP Medicamentos de Actualidad. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1965- Volume(issue)/page/year: 16,9,1980 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 740 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - tremor REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 8700 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - changes in motor activity (specific assay) Behavioral - muscle weakness REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,663,1983 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 580 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: 35,133,1985 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 289 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - tremor REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2250 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - tremor REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : >100 mg/kg TOXIC EFFECTS : Gastrointestinal - nausea or vomiting REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 320 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - tremor REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - guinea pig DOSE/DURATION : 109 mg/kg TOXIC EFFECTS : Sense Organs and Special Senses (Eye) - lacrimation Behavioral - somnolence (general depressed activity) Behavioral - tremor REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 18200 mg/kg/26W-C TOXIC EFFECTS : Skin and Appendages - hair Related to Chronic Data - death REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,673,1983 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 3650 mg/kg/52W-I TOXIC EFFECTS : Behavioral - convulsions or effect on seizure threshold Behavioral - withdrawal Related to Chronic Data - death REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Primate - monkey DOSE/DURATION : 7300 mg/kg/52W-I TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - ataxia Cardiac - pulse rate REFERENCE : BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 7,33S,1979 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 2750 mg/kg SEX/DURATION : female 7-17 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,1039,1983 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 1575 mg/kg SEX/DURATION : male 63 day(s) pre-mating TOXIC EFFECTS : Reproductive - Paternal Effects - testes, epididymis, sperm duct REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,907,1983 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 3750 mg/kg SEX/DURATION : female 17-21 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Newborn - stillbirth REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,917,1983 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 6500 mg/kg SEX/DURATION : female 17-21 day(s) after conception lactating female 21 day(s) post-birth TOXIC EFFECTS : Reproductive - Effects on Newborn - physical REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,917,1983 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE : 650 mg/kg SEX/DURATION : female 7-17 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Effects on Newborn - sex ratio REFERENCE : OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 25,1055,1983 *** END OF RECORD ***