*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EK7835000
CHEMICAL NAME           : Butanoic acid,
                          2-((1,2-dioxopropyl)amino)-7-hydroxy-1,4,10,19-tetram
                          ethyl-17,18-dioxo-16-
                          oxabicyclo(13.2.2)nonadeca-3,5,9,11-tetraen-13-yl
                          ester,
                          (1S-(1R*,2S*,3E,5E,7R*,9E,11E,13R*,15S*,19S*))-
CAS REGISTRY NUMBER     : 51733-43-8
BEILSTEIN REFERENCE NO. : 1673835
REFERENCE               : 5-18-12-00135 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C29-H39-N-O8
MOLECULAR WEIGHT        : 529.69
SYNONYMS/TRADE NAMES :
   * Lankacidin C 14-butyrate
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >5 gm/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: 26,647,1973
 
                            *** END OF RECORD ***