2-((Methylsulfonyl)methyl)benzenesulfonyl chloride CAS 103008-53-3
| CAS No. | 103008-53-3 |
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 268.74 g/mol gives 2-((Methylsulfonyl)methyl)benzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-((Methylsulfonyl)methyl)benzenesulfonyl chloride (CAS 103008-53-3), a certified reference material (molecular formula C8H9ClO4S2, MW 268.74 g/mol) for analytical method development and quality control.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2-((Methylsulfonyl)methyl)benzenesulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 268.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 2-((Methylsulfonyl)methyl)benzenesulfonyl chloride 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 | C8H9ClO4S2 |
| Molecular Weight | 268.74 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Methylsulfonyl Standards
- 4-((Methylsulfonyl)methyl)benzenesulfonyl chloride (CAS 1247407-55-1)
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- 4-Methyl-5-(4-(methylsulfonyl)phenyl)thiazol-2-amine (CAS 593959-13-8)
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Recommended Standards
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