*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : HA1671500 CHEMICAL NAME : L-Cysteine, N-acetyl-S-((5,8-dihydro-1,3-dihydroxy-6-methoxy-7-me thyl-5,8-dioxo-2- naphthalenyl)methyl)- CAS REGISTRY NUMBER : 91776-46-4 LAST UPDATED : 199209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H19-N-O8-S MOLECULAR WEIGHT : 409.44 SYNONYMS/TRADE NAMES : * Fibrostatin D * P 23924D *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : >400 mg/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: 40,1231,1987 *** END OF RECORD ***