Methyl 2-(3-(chlorosulfonyl)phenyl)acetate CAS 259191-92-9
| CAS No. | 259191-92-9 |
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Methyl 2-(3-(chlorosulfonyl)phenyl)acetate (CAS 259191-92-9) is a high-purity analytical reference standard with the molecular formula C9H9ClO4S and a molecular weight of 248.68 g/mol.
Based on its molecular formula C9H9ClO4S, Methyl 2-(3-(chlorosulfonyl)phenyl)acetate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Methyl 2-(3-(chlorosulfonyl)phenyl)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.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 4-(Chlorosulfonyl)phenyl propionate (CAS 1029717-21-2)
- Ethyl 2-(chlorosulfonyl)benzoate (CAS 103008-54-4)
- 4-Chlorosulfonyl-benzoic acid ethyl ester (CAS 10486-51-8)
- Methyl 2-(chlorosulfonyl)-5-methylbenzoate (CAS 1153230-09-1)
- Methyl 3-(chlorosulfonyl)-5-methylbenzoate (CAS 1154149-31-1)
- 4-Methyl-2-chlorosulfonyl-benzoic acid methyl ester, 97% (CAS 1188087-56-0)
- Methyl 2-(chlorosulfonyl)-3-methylbenzoate (CAS 126535-26-0)
- Methyl 4-((chlorosulfonyl)methyl)benzoate (CAS 130047-14-2)
Recommended Standards
- ethyl 3-(chlorosulfonyl)benzoate (CAS 217453-46-8)
- Methyl 2-(3-chlorophenyl)sulfonylacetate (CAS 78066-30-5)
- Atorvastatin Impurity N4 (CAS 62148-67-8)
- Methyl 2-[4-(chlorosulfonyl)phenyl]acetate (CAS 53305-12-7)
- 1-(2-Chloro-4-nitro-1H-imidazol-1-yl)-3-phenoxypropan-2-ol (CAS 857495-83-1)
- Pacritinib (CAS 937272-79-2)
- 3′,3′′,5′,5′′-Tetrabromophenolphthalein (CAS 1301-20-8)
- Tert-butyl n-(5-formylpyrazin-2-yl)carbamate (CAS 959617-71-1)
- Dimethylvaline hydrobromide (CAS 1485818-01-6)
- 2-Cyano-3-methoxybenzophenone (CAS 750633-58-0)
- 2-Amino-4-phenylanisole 3-Amino-4-methoxybiphenyl 39811-17-1 5-Phenyl-o-anisidine A0958 (CAS 39811-17-1)
- N-(2-(methylsulfonyl)phenyl)acetamide (CAS 20628-27-7)
- 4,5,6,7-tetrahydro-1H-1,3-benzodiazol-4-amine dihydrochloride (CAS 1803591-51-6)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com