MES hydrate
MES hydrate (CAS: 1266615-59-1, Formula: C6H13NO4S · xH2O) is a biological buffer with a molecular weight of 195.24 g/mol on an anhydrous basis. This MES hydrate is BioPerformance Certified for molecular biology applications, ensuring high purity with no detected DNase, RNase, or protease activity. It is suitable for cell culture and manufacturing use, functioning effectively within a useful pH range of 5.5-6.7.
- IUPAC
- 2-(N-Morpholino)ethanesulfonic acid hydrate,4-Morpholineethanesulfonic acid
- Synonyms
- 2-(N-Morpholino)ethanesulfonic acid hydrate, 4-Morpholineethanesulfonic acid

Biological Buffering
MES hydrate serves as an effective biological buffer, particularly useful in maintaining pH stability in the range of 5.5-6.7. Its BioPerformance certification makes it ideal for sensitive biochemical assays and experiments.
Cell Culture Media
This MES hydrate is suitable for cell culture applications, providing essential pH control for optimal cell growth and viability. The absence of DNase, RNase, and protease ensures the integrity of biological samples.
Diagnostic Assay Manufacturing
With its high purity and tested low levels of endotoxin, microbial contaminants, and trace metals, MES hydrate is well-suited for diagnostic assay manufacturing, ensuring reliable and reproducible results.
Molecular Biology Reagents
As a BioPerformance Certified reagent, MES hydrate is a trusted component for various molecular biology applications, including nucleic acid purification and Western blotting, where stringent purity is critical.
| Molecular weight | 195.24 (anhydrous basis) |
|---|---|
| Empirical formula | C6H13NO4S · xH2O |
| Grade | BioPerformance Certifiedfor molecular biology |
| Impurities tested | Endotoxin, microbial, and trace metals; tested |
| Suitability | suitable for cell culturesuitable for manufacturing use |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | ELITE |
|---|---|
| Pka  | 6.1 |
| Market Segment | Diagnostic Assay Manufacturing |
| Foreign Activity | DNase, RNase, protease, none detected |
| Useful Ph Range | 5.5 - 6.7 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is MES hydrate used for?
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MES hydrate (CAS: 1266615-59-1) is primarily used as a biological buffer, particularly for cell culture and in molecular biology applications such as nucleic acid purification and Western blotting. It is also suitable for diagnostic assay manufacturing.
What is the CAS number and formula for MES hydrate?
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The CAS number for MES hydrate is 1266615-59-1, and its formula is C6H13NO4S · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies MES hydrate as BioPerformance Certified for molecular biology, with no detected DNase, RNase, or protease activity. It is tested for endotoxin, microbial contamination, and trace metals.
How should MES hydrate be handled safely?
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When handling MES hydrate, it is recommended to wear eyeshields and gloves. It is classified under WGK Germany 3, indicating it is hazardous to water.
Is this product exported or shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including MES hydrate.
How can I request a sample or quote for MES hydrate?
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To request a sample or a quote for MES hydrate, please contact the Tech Serve Solutions sales team through our website or designated contact channels.
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