Methyl 2-((2-chlorophenyl)sulfonyl)acetate CAS 145449-37-2
| CAS No. | 145449-37-2 |
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-((2-chlorophenyl)sulfonyl)acetate (C9H9ClO4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, 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).
Methyl 2-((2-chlorophenyl)sulfonyl)acetate (CAS 145449-37-2), molecular formula C9H9ClO4S and molecular weight 248.68 g/mol, is a CATO reference standard with documented purity and traceability.
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), Methyl 2-((2-chlorophenyl)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 | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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- 2-Fluoro-4-hydrazinylpyridine (CAS 837364-87-1)
- 4-(4-Chlorobenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(6-methoxybenzo[d]thiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 477333-51-0)
- 4,4-Dimethyl-1-(m-tolyl)pyrazolidin-3-one (CAS 66084-81-9)
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- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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