| CAS No. | 75-92-3 |
| Molecular Formula | CH4O4S |
| Molecular Weight | 112.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Hydroxymethanesulfonic acid (CAS 75-92-3), molecular formula CH4O4S and molecular weight 112.11 g/mol, is a CATO reference standard with documented purity and traceability.
Hydroxymethanesulfonic acid (CH4O4S) contains a sulfone group. It is notably hygroscopic; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Hydroxymethanesulfonic 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 | CH4O4S |
| Molecular Weight | 112.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1957 |
| Sulfur Atoms | 1 |