2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 4-chlorobenzene-1-sulfonate CAS 331460-89-0
| CAS No. | 331460-89-0 |
| Molecular Formula | C22H15ClO6S |
| Molecular Weight | 442.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 4-chlorobenzene-1-sulfonate 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.
2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 4-chlorobenzene-1-sulfonate (CAS 331460-89-0) is a high-purity analytical reference standard with the molecular formula C22H15ClO6S and a molecular weight of 442.87 g/mol.
The molecular framework of 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-3-yl 4-chlorobenzene-1-sulfonate (C22H15ClO6S) is characterized by a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H15ClO6S |
| Molecular Weight | 442.87 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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- 5-(3,4-Dimethoxyphenyl)-2-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 731816-85-6)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
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