4-((Methylsulfonyl)methyl)benzenesulfonyl chloride CAS 1247407-55-1
| CAS No. | 1247407-55-1 |
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 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.
4-((Methylsulfonyl)methyl)benzenesulfonyl chloride (CAS 1247407-55-1) is a high-purity analytical reference standard with the molecular formula C8H9ClO4S2 and a molecular weight of 268.74 g/mol.
Based on its molecular formula C8H9ClO4S2, 4-((Methylsulfonyl)methyl)benzenesulfonyl chloride 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 268.74 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), 4-((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.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Methylsulfonyl Standards
- 2-((Methylsulfonyl)methyl)benzenesulfonyl chloride (CAS 103008-53-3)
- (4-(Methylsulfonyl)phenyl)methanesulfonyl chloride (CAS 163295-77-0)
- 5-(Methylsulfonyl)-4-(m-tolyl)thiazol-2-amine (CAS 1710834-25-5)
- 5-(Methylsulfonyl)-4-(o-tolyl)thiazol-2-amine (CAS 1713714-42-1)
- 4-Methyl-5-(4-(methylsulfonyl)phenyl)thiazol-2-amine (CAS 593959-13-8)
- 1-(Methylsulfonyl)-N-phenylpyrrolidine-2-carboxamide (CAS 1219213-24-7)
- (4-(Methylsulfonyl)piperidin-1-yl)(pyridin-4-yl)methanone (CAS 1448123-53-2)
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Recommended Standards
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- 1-(4-Bromo-3-methylphenyl)-5-chloropentan-1-one (CAS 898760-94-6)
- tert-Butyl 6-bromo-1H-indazole-3-carboxylate (CAS 865887-15-6)
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