| CAS No. | 949895-84-5 |
| Molecular Formula | C11H12O6S |
| Molecular Weight | 272.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(2-Oxo-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate (CAS 949895-84-5), molecular formula C11H12O6S and molecular weight 272.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2-Oxo-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate (C11H12O6S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 272.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2-Oxo-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate 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 | C11H12O6S |
| Molecular Weight | 272.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |