*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NM2203500 CHEMICAL NAME : 2-Indolinone, 3-(2-(5-hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene )- CAS REGISTRY NUMBER : 548-54-9 BEILSTEIN REFERENCE NO. : 0049923 REFERENCE : 4-26-00-00715 (Beilstein Handbook Reference) LAST UPDATED : 199709 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H13-N3-O3 MOLECULAR WEIGHT : 343.36 COMPOUND DESCRIPTOR : Drug Natural Product SYNONYMS/TRADE NAMES : * 3-(2-(5-Hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)-2-indolinone * Oxindole, 3-(2-(5-hydroxyindol-3-yl)-5-oxo-2-pyrrolin-4-ylidene)- * Violacein *** 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 : 100 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 85GDA2 "CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980- Volume(issue)/page/year: 5,130,1981 *** END OF RECORD ***