2,4-Dimethoxybenzenesulfonyl chloride CAS 63624-28-2
| CAS No. | 63624-28-2 |
| Molecular Formula | C8H9ClO4S |
| Molecular Weight | 236.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,4-Dimethoxybenzenesulfonyl chloride.
2,4-Dimethoxybenzenesulfonyl chloride (CAS 63624-28-2) is a high-purity analytical reference standard with the molecular formula C8H9ClO4S and a molecular weight of 236.67 g/mol.
Based on its molecular formula C8H9ClO4S, 2,4-Dimethoxybenzenesulfonyl 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 236.67 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.
As a certified reference material (CRM), 2,4-Dimethoxybenzenesulfonyl 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 | C8H9ClO4S |
| Molecular Weight | 236.67 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.) | 1975 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dimethoxybenzenesulfonyl Standards
- 2,6-Dimethoxybenzenesulfonyl Chloride (CAS 145980-89-8)
- 2,5-Dimethoxybenzenesulfonyl chloride (CAS 1483-28-9)
- 3,4-Dimethoxybenzenesulfonyl Chloride (CAS 23095-31-0)
- 3,5-Dimethoxybenzenesulfonyl Chloride (CAS 80563-82-2)
- 3-(3,4-Dimethoxybenzenesulfonyl)propanoic acid (CAS 100059-84-5)
- 1-(2,5-Dimethoxybenzenesulfonyl)piperazine (CAS 524711-13-5)
- 1-(3,4-Dimethoxybenzenesulfonyl)piperidine-4-carboxylic acid (CAS 593261-75-7)
- Ethyl 1-(2,5-dimethoxybenzenesulfonyl)azetidine-3-carboxylate (CAS 866152-79-6)
Recommended Standards
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