*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XZ5950000
CHEMICAL NAME           : 1H-v-Triazolo(4,5-d)pyrimidine-5,7(4H,6H)-dione
CAS REGISTRY NUMBER     : 1468-26-4
LAST UPDATED            : 199410
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C4-H3-N5-O2
MOLECULAR WEIGHT        : 153.12
WISWESSER LINE NOTATION : T56 BMNN FMVMVJ
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 8-Azaxanthine
   * 2,6-Dioxy-8-azapurine
   * NSC 756
   * v-Triazolo(4,5-d)pyrimidine-5,7-diol
   * USAF CB-26
 
                       *** 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           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD277-689
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 4 gm/L/3H
REFERENCE :
   CRSUBM Cancer Research Supplement.  (Baltimore, MD)  No.1-4, 1953-56.
   Volume(issue)/page/year: 3,69,1955
 
                            *** END OF RECORD ***