| CAS No. | 70000-65-6 |
| Molecular Formula | C4H8O5S |
| Molecular Weight | 168.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-((Methylsulfonyl)oxy)propanoic acid (CAS 70000-65-6), molecular formula C4H8O5S and molecular weight 168.17 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, a sulfone group, 2-((Methylsulfonyl)oxy)propanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 168.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-((Methylsulfonyl)oxy)propanoic acid 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 | C4H8O5S |
| Molecular Weight | 168.17 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) | 1.0 |
| CAS Registry Year (est.) | 1977 |
| Sulfur Atoms | 1 |