*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RN8575000
CHEMICAL NAME           : 7-Oxabicyclo(2.2.1)heptane-2,3-dicarboxylic
                          anhydride, 2,3-dimethyl-
CAS REGISTRY NUMBER     : 56-25-7
BEILSTEIN REFERENCE NO. : 0085302
REFERENCE               : 5-19-05-00051 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 18
MOLECULAR FORMULA       : C10-H12-O4
MOLECULAR WEIGHT        : 196.22
WISWESSER LINE NOTATION : T C555 A AO DVOVTJ C1 G1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Drug
                          Human
                          Natural Product
SYNONYMS/TRADE NAMES :
   * CAN
   * Cantharides camphor
   * Cantharidin
   * Cantharidine
   * Cantharone
   * exo-1,2-cis-Dimethyl-3,6-epoxyhexahydrophthalic anhydride
   * 2,3-Dimethyl-7-oxabicyclo(2.2.1)heptane-2,3-dicarboxylic anhydride
   * 4,7-Epoxyisobenzofuran-1,3-dione, hexahydro-3a,7a-dimethyl-,  
   (3a-alpha,4-beta,7-beta,7a-alpha)
   * Hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzofuran-1,3-dione
   * Kantaridin
   * Kantharidin
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 428 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,646,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAFCAU Journal of Agricultural and Food Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC
   20037)  V.1-    1953-  Volume(issue)/page/year: 35,823,1987
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 310 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 20 mg/kg
TOXIC EFFECTS :
   Cardiac - arrhythmias (including changes in conduction)
REFERENCE :
   TOXIA6 Toxicon.  (Pergamon Press Ltd., Headington Hill Hall, Oxford OX3 OBW,
   UK)  V.1-    1962-  Volume(issue)/page/year: 23,36,1985
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - pigeon
DOSE/DURATION           : 32 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Bird - chicken
DOSE/DURATION           : 75 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Amphibian - frog
DOSE/DURATION           : 7273 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 75 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FDWU** "Ueber die Wirkung Verschiedener Gifte Auf Vogel, Dissertation,"
   Forchheimer, L., Pharmakologischen Institut der Universitat Wurzburg, Fed.
   Rep. Ger., 1931  Volume(issue)/page/year: -,-,1931
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 1710 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85PEAG "Zhongliu Yanjiu" Cancer Review, Yu, R., et al., eds., Shanghai
   Science/Technology Publisher, Peop. Rep. China, 1994
   Volume(issue)/page/year: -,183,1994
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CTYAD8 Zhongcaoyao.  Chinese Traditional and Herbal Medicine.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11-
      1980-  Volume(issue)/page/year: 20,135,1989
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 25 mg/kg/14W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Skin and Appendages - tumors
REFERENCE :
   BJCAAI British Journal of Cancer.  (Macmillan Press Ltd., Houndmills,
   Basingstoke, Hants. RG21 2XS, UK)  V.1-    1947-  Volume(issue)/page/year:
   9,177,1955
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 70 mg/kg/52W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Skin and Appendages - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   32,1463,1972

                              *** 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: 10,79,1976

   IARC Cancer Review:Human No Adequate Data
   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: 10,79,1976

   IARC Cancer Review:Group 3
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,56,1987

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***