*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PC4952500
CHEMICAL NAME           : Methanone,
                          (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-
CAS REGISTRY NUMBER     : 134308-13-7
LAST UPDATED            : 199709
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C14-H11-N-O5
MOLECULAR WEIGHT        : 273.26
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * 3,4-Dihydroxy-4'-methyl-5-nitrobenzophenone
   * (3,4-Dihydroxy-5-nitrophenyl)(4-methylphenyl)methanone
   * Tolcapone
   * Ro 40-7592
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1513,199
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1513,199
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 9300 mg/kg/4W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Related to Chronic Data - death
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1521,199
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 91 gm/kg/26W-C
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1557,199
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 1120 mg/kg/4W-I
TOXIC EFFECTS :
   Gastrointestinal - alteration in gastric secretion
   Kidney, Ureter, Bladder - other changes
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1537,199
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 25830 mg/kg/26W-I
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - nausea or vomiting
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1585,199
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 1760 mg/kg/15D-I
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - nausea or vomiting
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1513,199
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 3 gm/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Maternal Effects - other effects
REFERENCE :
   YACHDS Yakuri to Chiryo.  Pharmacology and Therapeutics.  (Raifu Saiensu
   Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan)  V.1-    1972-
   Volume(issue)/page/year: 24(Suppl 10),S1631,199
 
                            *** END OF RECORD ***