Kantaridin

Cantharidin A toxic compound, isolated from the Spanish fly or blistering beetle (Lytta (Cantharis) vesicatoria) and other insects. It is a potent and specific inhibitor of protein phosphatases 1 (PP1) and 2A (PP2A). This compound can produce severe skin inflammation, and is extremely toxic if ingested orally.

[1. The active principle of cantharis; the anhydride of cantharic acid.

Molecular Formula: C₁₀H₁₂O₄

InChI: InChI=1/C10H12O4/c1-9-5-3-4-6(13-5)10(9,2)8(12)14-7(9)11/h5-6H,3-4H2,1-2H3/t5-,6+,9+,10-

InChIKey: InChIKey=DHZBEENLJMYSHQ-XCVPVQRUBV
SMILES: CC12C3CCC(C1(C(=O)OC2=O)C)O3

Names:
    Cantharides camphor
    CANTHARIDINE
    cantharidin
    Cantharone
    exo-1,2-cis-Dimethyl-3,6-epoxyhexahydrophthalic anhydride
    Kantaridin
    NSC61805
    1, 2-Dimethyl-3,6-epoxyperhydrophthalic anhydride
    4,7-Epoxyisobenzofuran-1,3-dione, hexahydro-3a,7a-dimethyl-
    56-25-7

Registries:
    PubChem CID 5944
    PubChem ID 109184