MOPSO
MOPSO (CAS 68399-77-9), a synthetic biochemical with the empirical formula C7H15NO5S and a molecular weight of 225.26 g/mol, is a high-purity biological buffer. It is particularly suitable for cell culture and manufacturing applications due to its effective buffering capacity within the pH range of 6.2-7.6. Tested for foreign activity including cytotoxicity, DNase, NICKase, RNase, and Protease, it ensures reliability in sensitive biological processes. MOPSO is supplied as a powder.
- IUPAC
- β-Hydroxy-4-morpholinepropanesulfonic acid,3-Morpholino-2-hydroxypropanesulfonic acid,MOPSO
- Synonyms
- 3-Morpholino-2-hydroxypropanesulfonic acidβ-Hydroxy-4-morpholinepropanesulfonic acid

Cell Culture Media
MOPSO serves as an effective buffering agent in cell culture media, maintaining stable pH crucial for cell viability and growth. Its low cytotoxicity ensures it does not interfere with cellular processes.
Biopharmaceutical Manufacturing
Utilised in biopharmaceutical manufacturing, MOPSO helps regulate pH during synthesis and purification steps. Its suitability for manufacturing use underscores its reliability in regulated environments.
Biochemical Assays
This compound is employed in various biochemical assays and research where precise pH control is essential for enzyme activity and reaction kinetics.
| Molecular weight | 225.26 |
|---|---|
| Empirical formula | C7H15NO5S |
| Form | powder |
| Suitability | suitable for cell culturesuitable for manufacturing use |
| Biological source | from synthetic |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 1 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | ELITE |
|---|---|
| Product Line | PharmaGrade |
| Pka  | 6.9 |
| Foreign Activity | Cytotoxicity, DNase, NICKase, RNase, and Protease; tested |
| Useful Ph Range | 6.2 - 7.6 |
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 MOPSO used for?
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MOPSO is used as a biological buffer, particularly suitable for cell culture and biopharmaceutical manufacturing, maintaining pH between 6.2 and 7.6.
What is the CAS number and formula for MOPSO?
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The CAS number for MOPSO is 68399-77-9, and its empirical formula is C7H15NO5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies MOPSO in ELITE quality, suitable for cell culture and manufacturing use. We do not represent it as USP, BP, or EP grade unless explicitly stated.
How should MOPSO be handled safely?
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MOPSO is a warning substance that may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, ensuring good ventilation, and avoid contact with skin, eyes, and clothing. In case of eye contact, rinse cautiously with water for several minutes (P305 + P351 + P338).
How is MOPSO shipped and exported?
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MOPSO is carefully packaged as a powder and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for MOPSO?
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To request a sample or quote for MOPSO, please contact our sales team via the website or direct inquiry.
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