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Bromopyruvic acid is an affinity label for cysteine residues. It acts as cross-linker between nucleic acids and proteins.
B 5689 (OTTO) 3-Bromopyruvic acid, ≥98% Cas 1113-59-3 - used in the synthesis of imidazo[1,2-a]pyridine-2-carboxylic acids.