*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KD4185000
CHEMICAL NAME           : 15,19-Epoxy-3H-pyrido(2,1-c)(1,4)oxaazacyclotricosine
                          -1,7,20,21(4H,23H)-te trone, 5,6,8,11,12,
                          13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-
                          dihydroxy-8-ethyl-3-( 2-(4-hydroxy-3-
                          methoxycyclohexyl)-1-methylethenyl)-14,16-dimethoxy-4
                          ,10,12,18-tetramethyl -,
                          (3S-(3R*(E(1S*,3S*,4S*)),4S*,19S*,26aR*))-
CAS REGISTRY NUMBER     : 104987-12-4
LAST UPDATED            : 199312
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C43-H69-N-O12
MOLECULAR WEIGHT        : 792.13
COMPOUND DESCRIPTOR     : Drug
                          Natural Product
SYNONYMS/TRADE NAMES :
   * FR 900520
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >100 mg/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: 41,1592,1988
 
                            *** END OF RECORD ***