*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TR1435000
CHEMICAL NAME           : Polymyxin E(sub 1), 1-de(N(sup
                          2)-(6-methyl-1-oxooctyl)-L-2,4-diaminobutanoic
                          acid)-2-(N-(1- oxoundecyl)-L-threonine)-,
                          hydrochloride
CAS REGISTRY NUMBER     : 51887-90-2
LAST UPDATED            : 199007
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C51-H96-N14-O12.xCl-H
MOLECULAR WEIGHT        : 1352.83
SYNONYMS/TRADE NAMES :
   * alpha-N-n-Undecanoyl colistin nonapeptide hydrochloride
 
                       *** 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           : 65 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ABCHA6 Agricultural and Biological Chemistry.  (Maruzen Co. Ltd., POB 5050,
   Tokyo International, Tokyo 100-31, Japan)  V.25-    1961-
   Volume(issue)/page/year: 38,521,1974
 
                            *** END OF RECORD ***