*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UQ0334000
CHEMICAL NAME           : 4H,5H-Pyrano(3,2-c)(1)benzopyran-10-carboxylic acid,
                          8,9-dihydroxy-2-methyl-4-oxo-
CAS REGISTRY NUMBER     : 478-60-4
BEILSTEIN REFERENCE NO. : 0330020
REFERENCE               : 4-19-00-03953 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C14-H10-O7
MOLECULAR WEIGHT        : 290.24
COMPOUND DESCRIPTOR     : Drug
                          Natural Product
SYNONYMS/TRADE NAMES :
   * Citromycetin
   * Frequentic acid
 
                       *** 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           : 750 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: 5,406,1981
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 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: 5,406,1981
 
                            *** END OF RECORD ***