*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EK7835300 CHEMICAL NAME : Butanoic acid, 2-((1,2-dioxopropyl)amino)-1,4,10,19-tetramethyl-17,1 8-dioxo-16- oxabicyclo(13.2.2)nonadeca-3,5,9,11-tetraene-7,13-diy l ester, (1S-(1R*,2S*,3E,5E,7R*,9E,11E,13R*,15S*,19S*))- CAS REGISTRY NUMBER : 51733-49-4 BEILSTEIN REFERENCE NO. : 1675015 REFERENCE : 5-18-12-00135 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C33-H45-N-O9 MOLECULAR WEIGHT : 599.79 SYNONYMS/TRADE NAMES : * Lankacidin C 8,14-dibutyrate *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 26,647,1973 *** END OF RECORD ***