*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR0411500
CHEMICAL NAME           : 3H-Pyrazol-3-one,
                          1,2-dihydro-4-butyl-5-((2-nitrobenzoyl)oxy)-1,2-diphe
                          nyl-
CAS REGISTRY NUMBER     : 58943-52-5
BEILSTEIN REFERENCE NO. : 0730493
REFERENCE               : 5-25-01-00044 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C26-H23-N3-O5
MOLECULAR WEIGHT        : 457.52
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4-Butyl-5-((2-nitrobenzoyl)oxy)-1,2-diphenyl-1,2-dihydro-3H-pyrazol-3-one
   * 3-(o.Nitrobenzoil)fenibutazone
   * 3-(o-Nitrobenzoyl)phenylbutazone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >576 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BCFAAI Bollettino Chimico Farmaceutico.  (Societa Editoriale Farmaceutica,
   Via Ausonio 12, 20123 Milan, Italy)  V.33-    1894- Volume(issue)/page/year:
   117,90,1978
 
                            *** END OF RECORD ***