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You are here:Home » Biochemicals » Biochem-Molecular Biology » MES, Sodium Salt

MES, Sodium Salt


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Catalog #M3005
MES Sodium Salt is a biological buffer (zwitterionic) designed by Good et al., and typically referred to as Good’s buffer. It is useful in cell culture media formulations. Selection of biological buffer systems should include the following criteria exclusion by biological membranes, low absorption between 240-700nm, chemically stable, and stable to temperature and concentration changes.
AppearanceWhite powder
Solubility (10%, H2O)Colorless, clear, complete
Identity (IR)Conforms to reference
Water (KF) 10%
pH (1%)9.5±0.6
Absorbance (A260) 0.05
Absorbance (A280)  0.03
CAS Number71119-23-8
Molecular FormulaC6H12NO4SNa
Molecular Weight217.2
FormWhite powder
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names2-(N-Morpholino)ethanesulfonic acid sodium salt

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