*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UV1161564
CHEMICAL NAME           : Pyrido(2,3-d)pyrimidine-2,4(1H,3H)-dione,
                          1,3-dimethyl-5-(hydroxyamino)-
CAS REGISTRY NUMBER     : 112734-97-1
LAST UPDATED            : 199712
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C9-H10-N4-O3
MOLECULAR WEIGHT        : 222.23
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 1,3-Dimethyl-5-(hydroxyamino)pyrido(2,3-d)pyrimidine-2,4(1H,3H)-dione
   * 5-Hydroxyamino-1,3-dimethylpyrido(2,3-d)pyrimidine-2,4-dione
 
                       *** 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           : >1 gm/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: #4808587
 
                            *** END OF RECORD ***