*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : DF7954000 CHEMICAL NAME : 2(3H)-Benzofuranone, 3-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furylidene)- CAS REGISTRY NUMBER : 10091-92-6 BEILSTEIN REFERENCE NO. : 1352451 REFERENCE : 5-19-06-00444 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C18-H10-O5 MOLECULAR WEIGHT : 306.28 COMPOUND DESCRIPTOR : Drug Natural Product SYNONYMS/TRADE NAMES : * 2(3H)-Benzofuranone, 3-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene)- * Calycin * Calycine * 3-(3-Hydroxy-5-oxo-4-phenyl-2(5H)-furylidene)-2(3H)-benzofuranone * Oxypulvic acid lactone *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported 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: 9,53,1982 *** END OF RECORD ***