1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan CAS 24565-66-0
| CAS No. | 24565-66-0 |
| Molecular Formula | C18H20O5 |
| Molecular Weight | 316.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan (C18H20O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 316.35 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan (CAS 24565-66-0), molecular formula C18H20O5 and molecular weight 316.35 g/mol, is a CATO reference standard with documented purity and traceability.
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), 1,3,7,9-Tetramethoxy-2,6-dimethyldibenzo[b,d]furan 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 | C18H20O5 |
| Molecular Weight | 316.35 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related Tetramethoxy Standards
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- 6-Methyl-2-((piperidin-4-ylmethyl)amino)pyrimidin-4(3H)-one (CAS 1239766-54-1)
- (5-Ethylthiophen-3-yl)methanamine (CAS 856696-08-7)
- Fas C- Terminal Tripeptide (CAS 189109-90-8)
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