*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : US5925000
CHEMICAL NAME           : 3-Pyridinecarboxylic acid,
                          ((2,3,6,7-tetrahydro-1,3,7-trimethyl-2,6-dioxo-1H-pur
                          in-8-yl)imino)di-2,1- ethanediyl ester
CAS REGISTRY NUMBER     : 135129-42-9
LAST UPDATED            : 199309
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C24-H25-N7-O6
MOLECULAR WEIGHT        : 507.56
COMPOUND DESCRIPTOR     : Drug
 
                       *** 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           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique.
   (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France)
   V.9-    1974-  Volume(issue)/page/year: 26,853,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1830 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMTYA2 Farmatsiya (Sofia).  (Hemus, Blvd. Russki 6, Sofia, Bulgaria)  V.1-
   1951-  Volume(issue)/page/year: 40(4),29,1990
 
                            *** END OF RECORD ***