| CAS No. | 54322-33-7 |
| Molecular Formula | CH4O9S3 |
| Molecular Weight | 256.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methanetrisulfonic acid (CAS 54322-33-7), molecular formula CH4O9S3 and molecular weight 256.23 g/mol, is a CATO reference standard with documented purity and traceability.
Methanetrisulfonic acid (CH4O9S3) contains a sulfone group. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO manufactures Methanetrisulfonic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | CH4O9S3 |
| Molecular Weight | 256.23 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1972 |
| Sulfur Atoms | 3 |