*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : AB7554000 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'-ditolyl-, 21-acetate CAS REGISTRY NUMBER : 73664-23-0 LAST UPDATED : 199007 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C53-H62-N2-O13 MOLECULAR WEIGHT : 935.17 WISWESSER LINE NOTATION : T-24-5 B6 C6 A D E 2BC G& AV GMV WO B&O IU KU UU A&HT&&&J DO1VNR D1&R D1& I1 M1 NQ O1 PQ Q1 R COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Rifamycin B ditolylamide *** 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 : 185 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 ***