*** 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 ***