*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : US5177500 CHEMICAL NAME : 2-Pyridinecarboxylic acid, 5-amino-6-(7-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2- quinolinyl)-4-(2-hydr oxy-3-methoxyphenyl)-3-methyl- CAS REGISTRY NUMBER : 136803-89-9 LAST UPDATED : 199403 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C24-H20-N4-O7 MOLECULAR WEIGHT : 476.48 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * 10'-Demethoxystreptonigrin * 10'-Desmethoxystreptonigrin *** 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 : 8800 ug/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: 45,454,1992 *** END OF RECORD ***