2-((4-(4-Methoxyphenyl)-2-oxo-2H-chromen-7-yl)oxy)-2-phenylacetic acid CAS 384365-23-5
| CAS No. | 384365-23-5 |
| Molecular Formula | C24H18O6 |
| Molecular Weight | 402.40 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.
2-((4-(4-Methoxyphenyl)-2-oxo-2H-chromen-7-yl)oxy)-2-phenylacetic acid (CAS 384365-23-5), molecular formula C24H18O6 and molecular weight 402.40 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 2-((4-(4-Methoxyphenyl)-2-oxo-2H-chromen-7-yl)oxy)-2-phenylacetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 402.40 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-((4-(4-Methoxyphenyl)-2-oxo-2H-chromen-7-yl)oxy)-2-phenylacetic 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 | C24H18O6 |
| Molecular Weight | 402.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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Recommended Standards
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- (R)-[1,1'-BInaphthalene]-3,3'-dicarboxylicacid,2,2'-dimethoxy- (CAS 35216-66-1)
- (4-Bromo-benzyl)-(3-pentafluoroethyloxy-propyl)-amine (CAS 1208078-60-7)
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- 1-(Chloromethyl)-3-fluoro-2-methoxybenzene (CAS 303043-93-8)
- Methyl 2,4-dichloro-6-(difluoromethoxy)benzoate (CAS 1803713-00-9)
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- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
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