MES hydrate

For research use only. Not for therapeutic Use.

  • CAT Number: I047348
  • CAS Number: 1266615-59-1
  • Molecular Formula: C6H13NO4S.xH2O
  • Molecular Weight: 213.25
  • Purity: ≥95%
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MES hydrate (Cat No.:I047348) is a zwitterionic buffering agent with the molecular formula C6H13NO4S·xH2O, commonly used in biological and biochemical research. It maintains stable pH in the range of 5.5 to 6.7, making it ideal for buffering in cell culture, protein purification, and enzymatic assays. MES has minimal interaction with metal ions and enzymes, preserving biological activity. As a Good’s buffer, it is water-soluble, chemically stable, and does not permeate cell membranes. The hydrate form ensures consistent performance in aqueous solutions where precise pH control is essential.


CAS Number 1266615-59-1
Molecular Formula C6H13NO4S.xH2O
Purity ≥95%
IUPAC Name 2-morpholin-4-ylethanesulfonic acid;hydrate
InChI InChI=1S/C6H13NO4S.H2O/c8-12(9,10)6-3-7-1-4-11-5-2-7;/h1-6H2,(H,8,9,10);1H2
InChIKey MIIIXQJBDGSIKL-UHFFFAOYSA-N
SMILES C1COCCN1CCS(=O)(=O)O.O
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