*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YP2833780
CHEMICAL NAME           : L-Tyrosine, 3-hydroxy-, 4-(2,2-dimethylpropanoate)
CAS REGISTRY NUMBER     : 122551-95-5
BEILSTEIN REFERENCE NO. : 4236147
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C14-H19-N-O5
MOLECULAR WEIGHT        : 281.34
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 3-Hydroxy-L-tyrosine 4-(2,2-dimethylpropanoate)
   * L-3-(3-Hydroxy-4-pivaloyloxyphenyl)alanine
   * NB-355
 
                       *** 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           : >6 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JPMSAE Journal of Pharmaceutical Sciences.  (American Pharmaceutical Assoc.,
   2215 Constitution Ave., NW, Washington, DC 20037)  V.50-    1961-
   Volume(issue)/page/year: 78,525,1989
 
                            *** END OF RECORD ***