| CAS No. | 148048-91-3 |
| Molecular Formula | C3H5O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
sodium 2-carboxyethane-1-sulfonate (CAS 148048-91-3), molecular formula C3H5O5SNa and molecular weight 176.12 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of sodium 2-carboxyethane-1-sulfonate (C3H5O5SNa) is characterized by a sulfone group, a carboxylic acid group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), sodium 2-carboxyethane-1-sulfonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C3H5O5S Na |
| Molecular Weight | 176.12 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) | 1.5 |
| CAS Registry Year (est.) | 1999 |
| Sulfur Atoms | 1 |