| CAS No. | 13223-06-8 |
| Molecular Formula | C4H10O5S2 |
| Molecular Weight | 202.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 202.25 g/mol gives Ethanesulfonic anhydride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethanesulfonic anhydride (CAS 13223-06-8) is a high-purity analytical reference standard with the molecular formula C4H10O5S2 and a molecular weight of 202.25 g/mol.
Based on its molecular formula C4H10O5S2, Ethanesulfonic anhydride contains a carbohydrate-derived structure, a sulfone group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 202.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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), Ethanesulfonic anhydride 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 | C4H10O5S2 |
| Molecular Weight | 202.25 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.) | 1960 |
| Sulfur Atoms | 2 |