Ethyl 5-(chlorosulfonyl)-2,3-dihydro-1-benzofuran-2-carboxylate CAS 1058713-16-8
| CAS No. | 1058713-16-8 |
| Molecular Formula | C11H11ClO5S |
| Molecular Weight | 290.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 290.72 g/mol gives Ethyl 5-(chlorosulfonyl)-2,3-dihydro-1-benzofuran-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 5-(chlorosulfonyl)-2,3-dihydro-1-benzofuran-2-carboxylate (CAS 1058713-16-8) is a high-purity analytical reference standard with the molecular formula C11H11ClO5S and a molecular weight of 290.72 g/mol.
Ethyl 5-(chlorosulfonyl)-2,3-dihydro-1-benzofuran-2-carboxylate (C11H11ClO5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), Ethyl 5-(chlorosulfonyl)-2,3-dihydro-1-benzofuran-2-carboxylate 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 | C11H11ClO5S |
| Molecular Weight | 290.72 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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