| CAS No. | 20055-98-5 |
| Molecular Formula | C3H7O4S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Owing to a sulfone group, a carboxylic acid group, an ether linkage, sodium2-hydroxy-3-mercaptopropanesulphonate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 194.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
sodium2-hydroxy-3-mercaptopropanesulphonate (CAS 20055-98-5), molecular formula C3H7O4S2Na and molecular weight 194.19 g/mol, is a CATO reference standard with documented purity and traceability.
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 sodium2-hydroxy-3-mercaptopropanesulphonate 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 | C3H7O4S2 Na |
| Molecular Weight | 194.19 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) | 0.5 |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 2 |