4-(Benzyloxy)-3-bromo-5-methoxybenzaldehyde CAS 2556-04-9
| CAS No. | 2556-04-9 |
| Molecular Formula | C15H13BrO3 |
| Molecular Weight | 321.17 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.
4-(Benzyloxy)-3-bromo-5-methoxybenzaldehyde (CAS 2556-04-9) is a high-purity analytical reference standard with the molecular formula C15H13BrO3 and a molecular weight of 321.17 g/mol.
4-(Benzyloxy)-3-bromo-5-methoxybenzaldehyde (C15H13BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H13BrO3 |
| Molecular Weight | 321.17 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Benzyloxy Standards
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- 3-(Benzyloxy)-2-bromo-4-methoxybenzaldehyde (CAS 38849-38-6)
- 4-(Benzyloxy)-2-bromo-5-methoxybenzaldehyde (CAS 40705-22-4)
Recommended Standards
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