*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YT5406666
CHEMICAL NAME           : Urea,
                          1-isobutyl-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dio
                          xo-4-pyrimidinyl)-2-t hio-
CAS REGISTRY NUMBER     : 31683-83-7
LAST UPDATED            : 199703
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C11-H18-N4-O2-S
MOLECULAR WEIGHT        : 270.39
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   *   1-(2,4-Diketo-1,3-dimethyl-1,2,3,4-tetrahydropyrimidin-6-yl)-3-isobutyl-
     2-thiourea
   *   1-Isobutyl-3-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-4-pyrimidinyl)-2
     -thiourea
   * Uracil, 1,3-dimethyl-5-(isobutylthiourea)-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 471 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   USXXAM United States Patent Document.  (U.S. Patent Office, Box 9,
   Washington, DC 20231)  Volume(issue)/page/year: #3755326
 
                            *** END OF RECORD ***