TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 485 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMACCQ Antimicrobial Agents and Chemotherapy.  (American Soc. for
   Microbiology, 1913 I St., NW, Washington, DC 20006)  V.1-    1972-
   Volume(issue)/page/year: 2,464,1972

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 430 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMACCQ Antimicrobial Agents and Chemotherapy.  (American Soc. for
   Microbiology, 1913 I St., NW, Washington, DC 20006)  V.1-    1972-
   Volume(issue)/page/year: 2,464,1972

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 55900 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JANTAJ Journal of Antibiotics.  (Japan Antibiotics Research Assoc., 2-20-8
   Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan)  V.2-5, 1948-52;  V.21- 1968-
   Volume(issue)/page/year: 35,94,1982

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >9050 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AMACCQ Antimicrobial Agents and Chemotherapy.  (American Soc. for
   Microbiology, 1913 I St., NW, Washington, DC 20006)  V.1-    1972-
   Volume(issue)/page/year: 2,464,1972