*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XJ9094220
CHEMICAL NAME           : 4H-Thieno(2',3':4,5)pyrimido(2,1-b)benzoxazole-2-carb
                          oxylic acid, 3-methyl-4-oxo-, ethyl ester
CAS REGISTRY NUMBER     : 159852-70-7
LAST UPDATED            : 199706
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C16-H12-N2-O4-S
MOLECULAR WEIGHT        : 328.36
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   *   3-Methyl-4-oxo-4H-thieno(2',3':4,5)pyrimido(2,1-b)benzoxazole-2-carboxyl
     ic acid ethyl ester
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique.
   (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France)
   V.9-    1974-  Volume(issue)/page/year: 29,569,1994
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique.
   (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France)
   V.9-    1974-  Volume(issue)/page/year: 29,569,1994
 
                            *** END OF RECORD ***