7-Hydroxy-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-2-one CAS 951991-55-2
| CAS No. | 951991-55-2 |
| Molecular Formula | C16H9F3O4 |
| Molecular Weight | 322.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 322.24 g/mol gives 7-Hydroxy-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Hydroxy-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-2-one (CAS 951991-55-2), molecular formula C16H9F3O4 and molecular weight 322.24 g/mol, is a CATO reference standard with documented purity and traceability.
7-Hydroxy-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-2-one (C16H9F3O4) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine 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 7-Hydroxy-3-[4-(trifluoromethoxy)phenyl]-2H-chromen-2-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 | C16H9F3O4 |
| Molecular Weight | 322.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1987 |
| Halogen Content | F-containing |
Related Hydroxy Standards
- 6-Hydroxy Bromantane (CAS 1007310-57-7)
- 5-Hydroxy Bromantane (CAS 560070-28-2)
- 7-Hydroxy-3-(2-(trifluoromethoxy)phenyl)-2h-chromen-2-one (CAS 951996-47-7)
- N-Hydroxy Sertraline (CAS 124345-07-9)
- 7-Hydroxy-3-((2-oxo-2H-chromen-7-yl)oxy)-2H-chromen-2-one (CAS 120028-43-5)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(4-fluorophenyl)thiophen-2-yl)boronate (CAS 1402174-29-1)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(3-fluorophenyl)thiophen-2-yl)boronate (CAS 1402174-30-4)
- 1022282-99-0 4-Hydroxy-3-[(2E)-3-(4-methoxyphenyl)prop-2-enoyl]-2H-chromen-2-one MFCD03019891 (CAS 1022282-99-0)
Recommended Standards
- N-[3-(Trifluoromethyl)-2-quinoxalinyl]-2-furohydrazide (CAS 343372-43-0)
- N-Methyl-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 241127-00-4)
- 4-(3-Bromothiophen-2-yl)-2-phenyl-1,3-thiazole (CAS 478260-68-3)
- N-Thiomorpholinyl 4-bromobenzenesulfonamide (CAS 223555-81-5)
- 8-Fluoro-4-hydrazinyl-2-methylquinoline hydrochloride (CAS 1170457-07-4)
- (2'-Methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)(1'-methyl-6,7-dihydrospiro[furo[2,3-f]indole-3,4'-piperidin]-5(2H)-yl)methanone (CAS 180083-23-2)
- Pramipexole Impurity 74 (CAS 1391053-80-7)
- 1-Hexadecyl-4-methylpyridin-1-ium chloride hydrate (CAS 13106-53-1)
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- [2-[(2,5-Dichloro-4-pyrimidinyl)amino]phenyl]dimethylphosphine Oxide (CAS 1197953-49-3)
- 2-Chloro-5-hydrazinylphenol hydrochloride (CAS 1636917-89-9)
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