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meta-Chloroperoxybenzoic acid (mCPBA) is a peroxycarboxylic acid used widely as an oxidant in organic synthesis. mCPBA is often preferred to other peroxy acids because of its relative ease of handling.
C 2142 (OTTO) meta-Chloroperoxybenzoic acid, 50-55% Cas 937-14-4 - used widely as an oxidant in organic synthesis.