*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XH8952050
CHEMICAL NAME           : 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,
                          3,3-dimethyl-6-((2,2-dimethyl-1-
                          oxopropyl)amino)-7-oxo-, monosodium salt
CAS REGISTRY NUMBER     : 20520-33-6
LAST UPDATED            : 198909
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C13-H19-N2-O4-S.Na
MOLECULAR WEIGHT        : 322.39
SYNONYMS/TRADE NAMES :
   * tert-Butylpenicillin sodium salt
   * 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid,  
   3,3-dimethyl-7-oxo-6-pivalamido-, Na
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2231 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FATOAO Farmakologiya i Toksikologiya (Moscow).  For English translation, see
   PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2-   
   1939-  Volume(issue)/page/year: 31,232,1968
 
                            *** END OF RECORD ***