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N-Cyclohexyl-2-aminoethanesulfonic acid, also known as CHES, is a buffering agent.
C 1901 (OTTO) Ches, 99% Cas 103-47-9 - used for investigations on pH-dependent processes in enzymology. It has been shown to have an unusually high affinity for the iodoacetate binding site of liver alcohol dehydrogenase.