*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TM6406500
CHEMICAL NAME           : 4-Piperidinecarboxylic acid,
                          4-((1-oxopropyl)phenylamino)-1-(2-(2-thienyl)ethyl)-,
                          methyl ester
CAS REGISTRY NUMBER     : 60771-38-2
BEILSTEIN REFERENCE NO. : 0458457
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C22-H28-N2-O3-S
MOLECULAR WEIGHT        : 400.58
SYNONYMS/TRADE NAMES :
   * Methyl  
   4-(N-(1-oxopropyl)-N-phenylamino)-1-(2-(2-thienyl)ethyl)-4-piperidinecar  
   boxylate
   * R 31826
   * Thiofentanil
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2800 ug/kg
TOXIC EFFECTS :
   Behavioral - analgesia
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 26,1548,1976
 
                            *** END OF RECORD ***