4-[(5-Bromo-2-ethoxy-4-formylphenoxy)methyl]benzoic acid CAS 443289-92-7
| CAS No. | 443289-92-7 |
| Molecular Formula | C17H15BrO5 |
| Molecular Weight | 379.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H15BrO5, 4-[(5-Bromo-2-ethoxy-4-formylphenoxy)methyl]benzoic acid contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 379.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO supplies 4-[(5-Bromo-2-ethoxy-4-formylphenoxy)methyl]benzoic acid (CAS 443289-92-7), a certified reference material (molecular formula C17H15BrO5, MW 379.20 g/mol) for analytical method development and quality control.
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), 4-[(5-Bromo-2-ethoxy-4-formylphenoxy)methyl]benzoic acid 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 |
Related Bromo Standards
- 3-((5-Bromo-2-ethoxy-4-formylphenoxy)methyl)benzoic acid (CAS 1159693-38-5)
- 2-Bromo-6-ethoxy-4-formylphenyl 4-methoxybenzoate (CAS 444066-10-8)
- 3-((2-Bromo-6-ethoxy-4-formylphenoxy)methyl)benzoic acid (CAS 426221-11-6)
- 3-Bromo-5-methoxy-2-[2-(4-methoxyphenyl)-2-oxoethoxy]benzaldehyde (CAS 477858-36-9)
- 6-Bromo-2-(isoquinolin-5-yl)quinoline-4-carboxylic acid (CAS 1420792-16-0)
- 2-Bromo-6-(((2-hydroxy-5-propylphenyl)imino)methyl)-4-nitrophenol (CAS 328580-21-8)
- N-(5-Bromo-2-methoxypyridin-3-yl)-2,4-difluorobenzenesulfonamide (CAS 1086063-46-8)
- 5-Bromo-6-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine-2-carbaldehyde (CAS 1227269-08-0)
Recommended Standards
- N'-(1-(3-aminophenyl)ethylidene)-2-iodobenzohydrazide (CAS 314283-29-9)
- 2-((4-Ethoxyphenyl)amino)-2-oxoethyl 5-bromonicotinate (CAS 729564-97-0)
- Methyl 2-[5-[2-(2,4-Dichlorophenoxy)phenyl]-2H-tetrazol-2-yl]acetate (CAS 1314406-38-6)
- Methyl 6-amino-4-(3-bromophenyl)-5-cyano-2-(methoxymethyl)-4H-pyran-3-carboxylate (CAS 305866-18-6)
- 5-(Aminomethyl)-1h-1,2,4-triazol-3-amine dihydrochloride (CAS 21795-97-1)
- (3Z)-3-{[(4-methoxyphenyl)amino]methylidene}-1,3-dihydro-2-benzothiophen-1-one (CAS 1164461-13-5)
- 1354960-67-0 5-Chloro-2,4-difluoro-N-(methylsulfonyl)benzamide (CAS 1354960-67-0)
- 2,2,2-Trichloro-1-(4-(1-hydroxypropyl)-1H-pyrrol-2-yl)ethan-1-one (CAS 1135283-05-4)
- 6-(4-Fluorophenyl)pyridin-2-amine (CAS 1159819-35-8)
- 5-Methoxy-3-phenyl-6-(trifluoromethyl)-1,2,4-triazine (CAS 119811-54-0)
- H-Phe-Gly-OH (CAS 721-90-4)
- 4,6-Dimethoxy-pyridin-3-ylamine dihydrochloride (CAS 50503-42-9)
- (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(3-methoxyphenyl)methanone (CAS 338420-99-8)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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