| CAS No. | 866347-84-4 |
| Molecular Formula | C18H16O7S |
| Molecular Weight | 376.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-((3,4-Dimethoxyphenyl)sulfonyl)-8-methoxy-2H-chromen-2-one (CAS 866347-84-4) is a high-purity analytical reference standard with the molecular formula C18H16O7S and a molecular weight of 376.38 g/mol.
3-((3,4-Dimethoxyphenyl)sulfonyl)-8-methoxy-2H-chromen-2-one (C18H16O7S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-((3,4-Dimethoxyphenyl)sulfonyl)-8-methoxy-2H-chromen-2-one 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.
| Molecular Formula | C18H16O7S |
| Molecular Weight | 376.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |