*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XZ6133300
CHEMICAL NAME           : (1,2,4)Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-
CAS REGISTRY NUMBER     : 2503-56-2
LAST UPDATED            : 199706
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C6-H6-N4-O
MOLECULAR WEIGHT        : 150.16
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 5-Methyl-7-hydroxy-1,3,4-triazaindolizine
   * 5-Methyl-(1,2,4)triazolo(1,5-a)pyrimidin-7-ol
   * s-Triazolo(1,5-a)pyrimidin-7-ol, 5-methyl-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >450 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   OYYAA2 Oyo Yakuri.  Pharmacometrics.  (Oyo Yakuri Kenkyukai, CPO Box 180,
   Sendai 980-91, Japan) V.1-    1967-  Volume(issue)/page/year: 13,597,1977

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

 
                            *** END OF RECORD ***