*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KD1545000
CHEMICAL NAME           : 9,4-(Epoxypentadeca(1,11,13)trienimino)-1H-benzofuro(
                          5,4-g)indole-3-carbox ylic acid, 9,10-
                          dihydro-10,26-dioxo-5,6,16,18,20-pentahydroxy-14-meth
                          oxy-2,7,9,15,17,19,21 ,25-octamethyl-, methyl ester,
                          16-acetate
LAST UPDATED            : 199406
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C42-H52-N2-O13
MOLECULAR WEIGHT        : 792.96
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * PR 6
   * Rifamycin II, 3'-(methoxycarbonyl)-2'-methyl-
   * Rifamycin PR 6
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   38KLAC "Structure-Activity Relationship among the Semisynthetic
   Antibiotics,"  Perlman, D., ed., New York, Academic Press, 1977
   Volume(issue)/page/year: -,531,1977
 
                            *** END OF RECORD ***