*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GY1722000
CHEMICAL NAME           : Cyclopenta(c)furo(3',2':4,5)furo(2,3-h)(1)benzopyran-
                          1,11-dione, 2,3,6a-alpha,8,9,9a-
                          alpha-hexahydro-4-methoxy-
CAS REGISTRY NUMBER     : 7220-81-7
BEILSTEIN REFERENCE NO. : 1355115
REFERENCE               : 5-19-10-00552 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 28
MOLECULAR FORMULA       : C17-H14-O6
MOLECULAR WEIGHT        : 314.31
WISWESSER LINE NOTATION : T F5 C6 B655 DOV GV OO QOT&&TTJ LO1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Natural Product
SYNONYMS/TRADE NAMES :
   * Aflatoxin B2
   * Dihydroaflatoxin B1
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - duck
DOSE/DURATION           : 1700 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NATUAS Nature.  (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736)
   V.1-    1869-  Volume(issue)/page/year: 200,1101,1963
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Bird - duck
DOSE/DURATION           : 1680 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 23,1327,1981
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 600 mg/kg/8W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   31,1936,1971
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 370 ng/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 130,79,1984
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 100 pmol/tube
REFERENCE :
   PNASA6 Proceedings of the National Academy of Sciences of the United States
   of America.  (National Academy of Sciences, Printing & Pub. Office, 2101
   Constitution Ave., Washington, DC 20418) V.1-    1915-
   Volume(issue)/page/year: 79,5971,1982
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 1600 pmol/plate
REFERENCE :
   PNASA6 Proceedings of the National Academy of Sciences of the United States
   of America.  (National Academy of Sciences, Printing & Pub. Office, 2101
   Constitution Ave., Washington, DC 20418) V.1-    1915-
   Volume(issue)/page/year: 79,5971,1982
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 100 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 183,89,1987
 
TYPE OF TEST            : DNA adduct
ROUTE OF EXPOSURE       : Parenteral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 40 ug/kg/2D (Continuous)
REFERENCE :
   BBRCA9 Biochemical and Biophysical Research Communications.  (Academic
   Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1959-
   Volume(issue)/page/year: 83,1354,1978
 
TYPE OF TEST            : DNA adduct
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 520 ug/kg
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   37,172,1977
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - rat Liver
DOSE/DURATION           : 10 umol/L/1H
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   37,1845,1977
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 83 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 46,27,1977
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 500 ug/L
REFERENCE :
   IJCNAW International Journal of Cancer.  (International Union Against
   Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland)  V.1-    1966-
   Volume(issue)/page/year: 19,642,1977
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 3100 ug/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 1,759,1980
 
TYPE OF TEST            : DNA adduct
TEST SYSTEM             : Mammal - species unspecified Lymphocyte
DOSE/DURATION           : 50 umol/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 3,423,1982

                              *** REVIEWS ***
 
   IARC Cancer Review:Animal Limited Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 1,145,1972

   IARC Cancer Review:Animal Sufficient Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 10,51,1976

   IARC Cancer Review:Animal Limited Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 56,245,1993

   TOXICOLOGY REVIEW
   LLOYA2 Lloydia.  (Cincinnati, OH)  V.1-41, 1938-78.  For publisher
   information, see JNPRDF.  Volume(issue)/page/year: 38,21,1975

   TOXICOLOGY REVIEW
   BAREA8 Bacteriological Reviews.  (Washington, DC)  V.1-41, 1937-77.
   Volume(issue)/page/year: 30,460,1966

   TOXICOLOGY REVIEW
   PMDCAY Progress in Medical Chemistry.  (Elsevier Science Pub. Co., Inc., 52
   Vanderbilt Ave., New York, NY 10017)  V.1-    1961- Volume(issue)/page/year:
   10,85,1974

   TOXICOLOGY REVIEW
   IJNDAN Indian Journal of Nutrition and Dietetics.  (Sri Avinashilingam Home
   Science College for Women, Coimbatore 641 043, India)  V.7-    1970-
   Volume(issue)/page/year: 8,85,1971

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: SHE-clonal assay; V79 cell culture-gene
   mutation
   
   EPA GENETOX PROGRAM 1988, Positive/limited: Carcinogenicity-mouse/rat
   
   EPA GENETOX PROGRAM 1988, Negative: Host-mediated assay; E coli polA with S9
   
   EPA GENETOX PROGRAM 1988, Negative: In vitro UDS-human fibroblast; In vitro
   UDS in rat liver
   
   EPA GENETOX PROGRAM 1988, Negative: S cerevisiae-homozygosis
   
   EPA GENETOX PROGRAM 1988, Inconclusive: B subtilis rec assay; E coli polA
   without S9
   
   EPA GENETOX PROGRAM 1988, Inconclusive: Histidine reversion-Ames test

 
                            *** END OF RECORD ***