*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NS1425000
CHEMICAL NAME           : Isonicotinic acid,
                          2-(6,8-dioxo-5,6,7,8-tetrahydropyrimido(4,5-e)-as-tri
                          azin-3-yl)hydrazide, dihydrate
CAS REGISTRY NUMBER     : 80761-64-4
LAST UPDATED            : 199209
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C11-H8-N8-O3.2H2-O
MOLECULAR WEIGHT        : 336.31
WISWESSER LINE NOTATION : T66 BMVMV GNN JNJ IMMV- DT6NJ &QH 2
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Pyrimido(4,5-e)-as-triazine-6(5H),8(7H)-dione, 3-isonicotinoylhydrazino-, 
    dihydrate
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PCJOAU Pharmaceutical Chemistry Journal (English Translation).  Translation
   of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013)  No.1-
   1967-  Volume(issue)/page/year: 15,789,1981
 
                            *** END OF RECORD ***