7-((Benzyloxy)methoxy)-4-(trifluoromethyl)-2H-chromen-2-one CAS 277309-33-8
| CAS No. | 277309-33-8 |
| Molecular Formula | C18H13F3O4 |
| Molecular Weight | 350.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 7-((Benzyloxy)methoxy)-4-(trifluoromethyl)-2H-chromen-2-one (CAS 277309-33-8), a certified reference material (molecular formula C18H13F3O4, MW 350.29 g/mol) for analytical method development and quality control.
Structurally, 7-((Benzyloxy)methoxy)-4-(trifluoromethyl)-2H-chromen-2-one (C18H13F3O4) contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 350.29 g/mol, it falls into the moderately-high-molecular-weight range. 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).
As a certified reference material (CRM), 7-((Benzyloxy)methoxy)-4-(trifluoromethyl)-2H-chromen-2-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.
Physical & Chemical Properties
| Molecular Formula | C18H13F3O4 |
| Molecular Weight | 350.29 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.) | 2025 |
| Halogen Content | F-containing |
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Recommended Standards
- 5-Nitro-2-(5-(4-nitrophenyl)furan-2-yl)-1H-benzo[d]imidazole (CAS 41975-76-2)
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- N-isopropyl-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 241127-01-5)
- (6-Methylpyrazin-2-yl)methyl acetate (CAS 86725-83-9)
- 3-(Boc-amino)-4-(2-chloro-6-fluorophenyl)butyric Acid (CAS 939802-35-4)
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