*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR0420000
CHEMICAL NAME           : 3H-Pyrazol-3-one,
                          2,4-dihydro-4-((4,5-dihydro-5-oxo-1,3-diphenyl-1H-pyr
                          azol-4-yl)methylene)- 2,5-diphenyl-
CAS REGISTRY NUMBER     : 5584-31-6
BEILSTEIN REFERENCE NO. : 1233315
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C31-H22-N4-O2
MOLECULAR WEIGHT        : 482.57
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4,4'-Methenyl-bis-(1,3-diphenyl-pyrazolon-(5))
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARPMAS Archiv der Pharmazie (Weinheim, Germany)  (VCH Pub., Inc., 303 NW
   12th Ave., Deerfield Beach, FL 33441)  V.51-261, 1835-1923; V.305-    1972-
   Volume(issue)/page/year: 307,836,1974
 
                            *** END OF RECORD ***