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Trichloroacetic acid (TCA; TCAA; also known as trichloroethanoic acid) is an analogue of acetic acid in which the three hydrogen atoms of the methyl group have all been replaced by chlorine atoms.
T 2034 (OTTO) Trichloroacetic acid ACS reagent, ≥99.0% Cas 76-03-9 - used for the precipitation of IMAC (immobilized metal ion affinity chromatography)-isolated phosphoproteins.