*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CQ4025000
CHEMICAL NAME           : Barbituric acid, 5-(1,3-dimethyl-2-butenyl)-5-ethyl-
CAS REGISTRY NUMBER     : 3625-18-1
LAST UPDATED            : 199012
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C12-H18-N2-O3
MOLECULAR WEIGHT        : 238.32
WISWESSER LINE NOTATION : T6VMVMV FHJ FY1&Y1&1 F2
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 5-(1,3-Dimethyl-2-butenyl)-5-ethylbarbituric acid
   * McN-481
   * Mcneil 481
   * 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(1,3-dimethyl-2-butenyl)-5-ethyl-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 18 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,177,1972
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3500 ug/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
REFERENCE :
   PMDCAY Progress in Medical Chemistry.  (Elsevier Science Pub. Co., Inc., 52
   Vanderbilt Ave., New York, NY 10017)  V.1-    1961- Volume(issue)/page/year:
   8,61,1971
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 2 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,177,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 250 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,177,1972
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 250 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and
   D.H. Efron, Washington, DC, 1972  Volume(issue)/page/year: -,177,1972
 
                            *** END OF RECORD ***