*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KD1720000
CHEMICAL NAME           : 2,7-(Epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)
                          furan-1,11(2H)-dione, 9-((2,5-dimethyl-
                          1-pyrrolidinylcarbonyl)methoxy)-2,4,12,16,18,20,22-he
                          ptamethyl-23-methoxy- 5,6,17,19,21- pentahydroxy-,
                          21-acetate
CAS REGISTRY NUMBER     : 38123-17-0
BEILSTEIN REFERENCE NO. : 5418591
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C45-H60-N2-O13
MOLECULAR WEIGHT        : 837.07
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * NCI 143-439
   * Rifamycin B 2,5-dimethylpyrrolidide
   * Rifamycin, 4-O-(2-(2,5-dimethyl-1-pyrrolidinyl)-2-oxoethyl)-
 
                       *** 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           : 233 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia,
   Italy)  V.8-43 1953-88 For publisher information, see FRMCE8
   Volume(issue)/page/year: 37,3,1982
 
                            *** END OF RECORD ***