*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : OH4725813 CHEMICAL NAME : Leucomycin V, 3-acetate 4(sup B)-(3-methylbutanoate), (R-(R*,R*))-2,3-dihydroxybutanedioate (salt) CAS REGISTRY NUMBER : 52454-74-7 LAST UPDATED : 198903 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C42-H69-N-O15.C4-H6-O6 MOLECULAR WEIGHT : 978.22 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Josamycin tartrate * Leucomycin A3 tartrate *** 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 : 3 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JAJAAA Journal of Antibiotics, Series A. (Tokyo, Japan) V.6-20, 1953-67. For publisher information, see JANTAJ. Volume(issue)/page/year: 20,181,1967 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 304 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 17,576,1969 *** END OF RECORD ***