3-Bromo-5-methoxy-2-[2-(4-methoxyphenyl)-2-oxoethoxy]benzaldehyde CAS 477858-36-9
| CAS No. | 477858-36-9 |
| Molecular Formula | C17H15BrO5 |
| Molecular Weight | 379.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Bromo-5-methoxy-2-[2-(4-methoxyphenyl)-2-oxoethoxy]benzaldehyde.
3-Bromo-5-methoxy-2-[2-(4-methoxyphenyl)-2-oxoethoxy]benzaldehyde (CAS 477858-36-9) is a high-purity analytical reference standard with the molecular formula C17H15BrO5 and a molecular weight of 379.20 g/mol.
Structurally, 3-Bromo-5-methoxy-2-[2-(4-methoxyphenyl)-2-oxoethoxy]benzaldehyde (C17H15BrO5) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 379.20 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-Bromo-5-methoxy-2-[2-(4-methoxyphenyl)-2-oxoethoxy]benzaldehyde 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 | C17H15BrO5 |
| Molecular Weight | 379.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
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