6-Ethyl-3-(4-fluorophenoxy)-7-hydroxy-2-methyl-4h-chromen-4-one CAS 438018-47-4
| CAS No. | 438018-47-4 |
| Molecular Formula | C18H15FO4 |
| Molecular Weight | 314.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Ethyl-3-(4-fluorophenoxy)-7-hydroxy-2-methyl-4h-chromen-4-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.
CATO supplies 6-Ethyl-3-(4-fluorophenoxy)-7-hydroxy-2-methyl-4h-chromen-4-one (CAS 438018-47-4), a certified reference material (molecular formula C18H15FO4, MW 314.31 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H15FO4, 6-Ethyl-3-(4-fluorophenoxy)-7-hydroxy-2-methyl-4h-chromen-4-one contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 314.31 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H15FO4 |
| Molecular Weight | 314.31 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
Related Ethyl Standards
- 2-(2-Fluorophenoxy)-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)acetamide (CAS 922131-47-3)
- 6-Ethyl-3-(2-fluorophenoxy)-7-hydroxy-2-methyl-4h-chromen-4-one (CAS 328018-97-9)
- 2-[4-(4-fluorophenoxy)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1355052-34-4)
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Recommended Standards
- Ethyl 3-(3-fluorobenzyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-1-carboxylate (CAS 339013-55-7)
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- Ethyl 3-[(4-fluorophenyl)methyl]-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-1-carboxylate (CAS 339013-66-0)
- 4-(2-Fluorophenyl)-2-methyl-5-oxo-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 371233-27-1)
- H-Glu(Abu-OH)-OH (CAS 16869-42-4)
- 2-Bromo-4-difluoromethoxy-3-methylpyridine (CAS 1807029-62-4)
- Ethyl 1H-pyrrolo[3,2-c]pyridine-3-carboxylate (CAS 1799421-01-4)
- (S)-2-(4-fluoro-2-methylphenyl)-2-(methylamino)ethan-1-ol (CAS 1213221-15-8)
- 2-(2,5-Diazabicyclo[2.2.2]octan-2-yl)-2-methylpropan-1-ol (CAS 1403767-01-0)
- 2-diphenylphosphorylphenol (CAS 70127-50-3)
- Bacampicillin Hydrochloride (CAS 37661-08-8)
- 1-(2-Bromo-1-(2-methoxyethoxy)ethyl)-2-methylbenzene (CAS 1249909-71-4)
- 6-Methoxychroman-4-amine (CAS 81816-60-6)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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