*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XM8410000
CHEMICAL NAME           : 2-Thiophenecarboxylic acid,
                          2,5-dihydro-4-butyl-1,2-diphenyl-5-oxo-1H-pyrazol-3-y
                          l ester
CAS REGISTRY NUMBER     : 87792-14-1
LAST UPDATED            : 198504
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C24-H22-N2-O3-S
MOLECULAR WEIGHT        : 418.54
WISWESSER LINE NOTATION : T5NNVJ AR& BR& D4 EOV- BT5SJ
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4-Butyl-1,2-dihydro-5-((2-thenoyl)oxy)-1,2-diphenyl-3H-pyrazol-3-one
   * 4-Butyl-1,2-diphenyl-3-hydroxy-3-pyrazolin-5-one 2-thiophenecarboxylate  
   (ester)
   * 3-Pyrazolin-5-one, 4-butyl-1,2-diphenyl-3-hydroxy-,  
   2-thiophenecarboxylate (ester)
   * SP 124
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1175 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:
   122,186,1983
 
                            *** END OF RECORD ***