4-phenoxybenzenesulfonyl chloride CAS 1623-92-3
| CAS No. | 1623-92-3 |
| Molecular Formula | C12H21ClO3S |
| Molecular Weight | 280.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 280.81 g/mol gives 4-phenoxybenzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-phenoxybenzenesulfonyl chloride (CAS 1623-92-3) is a high-purity analytical reference standard with the molecular formula C12H21ClO3S and a molecular weight of 280.81 g/mol.
Structurally, 4-phenoxybenzenesulfonyl chloride (C12H21ClO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 280.81 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 4-phenoxybenzenesulfonyl chloride 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 | C12H21ClO3S |
| Molecular Weight | 280.81 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related phenoxybenzenesulfonyl Standards
Recommended Standards
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- Methyl 2-(2-((3,5-dimethylisoxazol-4-yl)(hydroxy)methyl)benzofuran-5-yl)acetate (CAS 1421949-05-4)
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- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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