*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ9630000
CHEMICAL NAME           : 2-Pyrazolin-5-one, 3-methyl-4-(phenylazo)-
CAS REGISTRY NUMBER     : 2650-07-9
BEILSTEIN REFERENCE NO. : 0882074
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C10-H10-N4-O
MOLECULAR WEIGHT        : 202.24
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * F 2341
   * 3-Methyl-4-(phenylazo)-2-pyrazolin-5-one
   * 4-Phenyl-azo-3-methyl-pyrazolon-(5)
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   14,1325,1965
 
                            *** END OF RECORD ***