6-Chloro-2,3-dihydro-1,4-benzodioxine-5-sulfonyl chloride CAS 1785272-64-1
| CAS No. | 1785272-64-1 |
| Molecular Formula | C8H6Cl2O4S |
| Molecular Weight | 269.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-2,3-dihydro-1,4-benzodioxine-5-sulfonyl chloride (CAS 1785272-64-1) is a high-purity analytical reference standard with the molecular formula C8H6Cl2O4S and a molecular weight of 269.10 g/mol.
Based on its molecular formula C8H6Cl2O4S, 6-Chloro-2,3-dihydro-1,4-benzodioxine-5-sulfonyl 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 269.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 6-Chloro-2,3-dihydro-1,4-benzodioxine-5-sulfonyl 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 | C8H6Cl2O4S |
| Molecular Weight | 269.10 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.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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