Methyl 2-{[(3,5-dimethyl-4-isoxazolyl)methyl]sulfonyl}acetate CAS 303985-22-0
| CAS No. | 303985-22-0 |
| Molecular Formula | C9H13NO5S |
| Molecular Weight | 247.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 2-{[(3,5-dimethyl-4-isoxazolyl)methyl]sulfonyl}acetate (CAS 303985-22-0), a certified reference material (molecular formula C9H13NO5S, MW 247.27 g/mol) for analytical method development and quality control.
Methyl 2-{[(3,5-dimethyl-4-isoxazolyl)methyl]sulfonyl}acetate (C9H13NO5S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), Methyl 2-{[(3,5-dimethyl-4-isoxazolyl)methyl]sulfonyl}acetate 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.
Physical & Chemical Properties
| Molecular Formula | C9H13NO5S |
| Molecular Weight | 247.27 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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