Ebselen or 2-phenyl-1, 2-benzisoselenazol-3(2H)-one (also called PZ 51 or DR3305), is a mimic of glutathione peroxidase and can also react with peroxynitrite. It is being investigated as a possible treatment for reperfusion injury and stroke, as well as tinnitus.

Ebselen is a potent scavenger of hydrogen peroxide as well as hydroperoxides including membrane bound phospholipid and cholesterylester hydroperoxides.

Chemical formula: C13H9NOSe
Molecular mass: 274.17666
CAS-Number: 60940-34-3

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Toxicity of organomercury compounds | EVISA's News