1-((3-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzofuran-5-yl)oxy)propan-2-one CAS 1574483-13-8
| CAS No. | 1574483-13-8 |
| Molecular Formula | C20H18O5 |
| Molecular Weight | 338.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H18O5, 1-((3-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzofuran-5-yl)oxy)propan-2-one contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-((3-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzofuran-5-yl)oxy)propan-2-one (CAS 1574483-13-8), molecular formula C20H18O5 and molecular weight 338.35 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-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)benzofuran-5-yl)oxy)propan-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.
Physical & Chemical Properties
| Molecular Formula | C20H18O5 |
| Molecular Weight | 338.35 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
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Recommended Standards
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- 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-(pyren-1-yl)-1H-purin-6(9H)-one (CAS 444314-32-3)
- 4-(Difluoromethylene)piperidine-1-sulfonamide (CAS 2821083-71-8)
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- 4144-58-5 6-Oxononanoic acid MFCD01320169 (CAS 4144-58-5)
- 1-Bromo-4-ethoxy-2,3-difluorobenzene (CAS 156573-09-0)
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