4-(Methylsulfonyl)benzenesulfonyl chloride, 97% CAS 82964-91-8
| CAS No. | 82964-91-8 |
| Molecular Formula | C7H7ClO4S2 |
| Molecular Weight | 254.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(Methylsulfonyl)benzenesulfonyl chloride, 97% is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-(Methylsulfonyl)benzenesulfonyl chloride, 97% (CAS 82964-91-8) is a high-purity analytical reference standard with the molecular formula C7H7ClO4S2 and a molecular weight of 254.71 g/mol.
Based on its molecular formula C7H7ClO4S2, 4-(Methylsulfonyl)benzenesulfonyl chloride, 97% 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 254.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 4-(Methylsulfonyl)benzenesulfonyl chloride, 97% under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO4S2 |
| Molecular Weight | 254.71 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, water |
| 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.) | 1980 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Methylsulfonyl Standards
- 2-(Methylsulfonyl)benzenesulfonyl chloride (CAS 89265-35-0)
- 3-(Methylsulfonyl)benzenesulfonyl Chloride (CAS 5335-40-0)
- 1-(4-(Methylsulfonyl)benzyl)piperazine (CAS 1082399-22-1)
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- N1,N1,N2-Tris(2-aminoethyl)ethane-1,2-diamine (CAS 31295-46-2)
- Tirzepatide (CAS 2023788-19-2)
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