*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : AB7491000 CHEMICAL NAME : Acetamide, 2-((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(1,11,13)tr ienimino)naphtho(2,1- b)furan-9-yl)oxy)- N,N-di-tert-butyl-, 21-acetate CAS REGISTRY NUMBER : 17607-42-0 LAST UPDATED : 198803 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C47-H66-N2-O13 MOLECULAR WEIGHT : 867.15 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Rifamycin di-tert-butylamide *** 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 : 162 mg/kg TOXIC EFFECTS : Liver - change in gall bladder structure or function REFERENCE : CMTRAG Chemotherapia. (Basel, Switzerland) V.1-12, 1960-67. For publisher information, see CHTHBK. Volume(issue)/page/year: 12,155,1967 *** END OF RECORD ***