*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QE1030000
CHEMICAL NAME           : Morpholine,
                          4-(((1,2-dihydro-5,6,17,19,21-pentahydroxy-23-methoxy
                          -2,4,12,16,18,20,22-
                          heptamethyl-1,11-dioxo-2,7-(epoxypentadeca(1,1,13)tri
                          enimino)naphtho(2,1-b )furan-9-yl)oxy)
                          acetyl)-5-methyl-, 21-acetate
CAS REGISTRY NUMBER     : 38123-18-1
BEILSTEIN REFERENCE NO. : 5418696
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C44-H58-N2-O14
MOLECULAR WEIGHT        : 839.04
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * Rifamycin B methylmorpholide
 
                       *** 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           : 950 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 7,596,1964
 
                            *** END OF RECORD ***