3-(2-Bromophenoxy)-7-hydroxy-4H-chromen-4-one CAS 196928-47-9
| CAS No. | 196928-47-9 |
| Molecular Formula | C15H9BrO4 |
| Molecular Weight | 333.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 333.13 g/mol gives 3-(2-Bromophenoxy)-7-hydroxy-4H-chromen-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(2-Bromophenoxy)-7-hydroxy-4H-chromen-4-one (CAS 196928-47-9), molecular formula C15H9BrO4 and molecular weight 333.13 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2-Bromophenoxy)-7-hydroxy-4H-chromen-4-one (C15H9BrO4) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution. 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(2-Bromophenoxy)-7-hydroxy-4H-chromen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H9BrO4 |
| Molecular Weight | 333.13 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.) | 2013 |
| Halogen Content | Br-containing |
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Recommended Standards
- 1-(4-Amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)-2-methylpropan-2-ol (CAS 1951431-44-9)
- 1-(2,3-Dichlorophenyl)-3-(3,4,5-trifluorophenyl)propan-1-one (CAS 898778-51-3)
- 2-(4-Bromophenyl)-5,7-dihydroxy-4H-chromen-4-one (CAS 152969-70-5)
- 1-(2,4-Dichlorophenyl)-3-(3,4,5-trifluorophenyl)propan-1-one (CAS 898778-54-6)
- 2-(2-Cyclopentyl-1H-imidazol-4-yl)ethanamine (CAS 479408-58-7)
- 4,6-Difluoro-1a,2,3,7b-tetrahydronaphtho[1,2-b]oxirene (CAS 939760-68-6)
- 4-(4-Chlorobenzyl)-6-phenylpyridazin-3(2H)-one (CAS 58050-61-6)
- Arotinolol Impurity 45 (CAS CATO-C4X-185445)
- Xibornol (CAS 13741-18-9)
- 1-bromo-2-chloro-4-(chloromethyl)benzene (CAS 95349-72-7)
- 2-Chloro-5-(1h-1,2,3,4-tetrazol-1-yl)aniline (CAS 926200-13-7)
- 2-(4-Methoxyphenyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 426239-77-2)
- Ethyl 4-methylfuran-3-carboxylate (CAS 154222-96-5)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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