*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CX6157900
CHEMICAL NAME           : 3H-v-Triazolo(4,5-d)pyrimidin-7(4H,6H)-one, 5-thiono-
CAS REGISTRY NUMBER     : 31571-52-5
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C4-H3-N5-O-S
MOLECULAR WEIGHT        : 169.18
WISWESSER LINE NOTATION : T56 BMNN FVMYMJ HUS
SYNONYMS/TRADE NAMES :
   * 8-Azapurine, 6-hydroxy-2-thio-
   * 8-Aza-2-thioxanthine
   * 6-Hydroxy-2-thio-8-azapurine
   * 2-Thio-6-hydroxy-8-azapurine
   * 5-Thiono-v-triazolo(4,5-d)pyrimidin-7(4H,6H)-one
   * 7H-1,2,3-Triazolo(4,5-d)pyrimidin-7-one, 1,4,5,6-tetrahydro-5-thioxo-
   * USAF CB-25
 
                       *** 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

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

 
                            *** END OF RECORD ***