*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UO3416000
CHEMICAL NAME           : 2,4(1H,3H)-Pteridinedione
CAS REGISTRY NUMBER     : 487-21-8
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C6-H4-N4-O2
MOLECULAR WEIGHT        : 164.14
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 2,4-Dihydroxypteridine
   * Lumazin
   * Lumazine
   * 2,4-Pteridinediol
   * Pteridine-2,4-dione
   * 2,4(3H,8H)-Pteridinedione
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CHTPBA Chimica Therapeutica.  (Paris, France)  V.1-8, 1965-73.  For
   publisher information, see EJMCA5.  Volume(issue)/page/year: 3,100,1968

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***