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Cantharidin

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cantharidin [kan′thar·ə·dən]
(organic chemistry)
C10H12O4Colorless crystals that melt at 218°C; slightly soluble in acetone, chloroform, alcohol, and water; used in veterinary medicine. Also known as cantharides camphor.

Cantharidin 

the active principle of Spanish flies and other bugs of the family Meloidae (blister beetles); a terpenoid anhydride of cantharidic acid. Cantharidin is poorly soluble in water and readily soluble in fats and organic solvents. It severely blisters the skin and mucous membranes. It causes pain, a burning sensation, and formation of blisters. Ingestion causes poisoning, accompanied by catarrh of the urinary tract, salivation, vomiting, diarrhea, abdominal pain, and excitation of the central nervous system.



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Doctors sometimes paint warts with a chemical called cantharidin.
Often cantharidin, derived from the blister beetle (no, really), is applied to the wart along with salicylic acid, then covered with a bandage and eventually peeled or scraped off.
Blister Beetles get their name from the fact that they contain a toxin called cantharidin that will make your skin break out in blisters if you come in contact with it.
 
 
 
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