1M MES Buffer, pH 6.5, 1L" Specification Value Concentration 1M Name MES Buffer pH at 1x pH 6. 5 Volume 1L SKU MES 01 0100 Composition at 1x MES 1 M A biological buffer effective in the pH 5. 5 6. 7 range, commonly used in cell culture, enzyme assays, and chromatography applications. MES provides stable buffering capacity with minimal interference in biological systems, making it a preferred choice for pH sensitive experiments. This zwitterionic buffer does not bind metal