*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ8402000
CHEMICAL NAME           : 3,5-Pyrazolidinedione, 4-sec-butylidene-1,2-diphenyl-
CAS REGISTRY NUMBER     : 26485-82-5
BEILSTEIN REFERENCE NO. : 0263662
REFERENCE               : 4-24-00-01336 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C19-H18-N2-O2
MOLECULAR WEIGHT        : 306.39
WISWESSER LINE NOTATION : T5VNNVYJ BR& CR& EUY2&1
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4-sec-Butylidene-1,2-diphenyl-3,5-pyrazolidinedione
   * DA-237
   * 1,2-Difenil-3,5-dicheto-4-(alpha-metil-propiliden)-pirazolidina
   * P.M. 306
 
                       *** 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           : 2020 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia,
   Italy)  V.8-43 1953-88 For publisher information, see FRMCE8
   Volume(issue)/page/year: 12,521,1957
 
                            *** END OF RECORD ***