2,5-Bis(4-ethoxy-3-methoxyphenyl)-3,4-dimethylfuran CAS 749-33-7
| CAS No. | 749-33-7 |
| Molecular Formula | C24H28O5 |
| Molecular Weight | 396.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2,5-Bis(4-ethoxy-3-methoxyphenyl)-3,4-dimethylfuran (CAS 749-33-7), molecular formula C24H28O5 and molecular weight 396.48 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2,5-Bis(4-ethoxy-3-methoxyphenyl)-3,4-dimethylfuran (C24H28O5) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. 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).
CATO manufactures 2,5-Bis(4-ethoxy-3-methoxyphenyl)-3,4-dimethylfuran 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 | C24H28O5 |
| Molecular Weight | 396.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1957 |
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