2-((4-Oxo-3-phenyl-4h-chromen-7-yl)oxy)acetic acid CAS 32131-73-0
| CAS No. | 32131-73-0 |
| Molecular Formula | C17H12O5 |
| Molecular Weight | 296.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-((4-Oxo-3-phenyl-4h-chromen-7-yl)oxy)acetic 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.
2-((4-Oxo-3-phenyl-4h-chromen-7-yl)oxy)acetic acid (CAS 32131-73-0) is a high-purity analytical reference standard with the molecular formula C17H12O5 and a molecular weight of 296.27 g/mol.
Based on its molecular formula C17H12O5, 2-((4-Oxo-3-phenyl-4h-chromen-7-yl)oxy)acetic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 296.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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 | C17H12O5 |
| Molecular Weight | 296.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- 1,3-Bis(benzo[d][1,3]dioxol-5-yl)prop-2-en-1-one (CAS 76530-89-7)
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- 1-(2,4-Difluorophenyl)-3-morpholinopyrrolidine-2,5-dione (CAS 676160-52-4)
- 2,4-dioxo-3-oxatricyclo[7.3.1.0⁵¹³]trideca-1(12),5,7,9(13),10-pentaene-8,10-dicarboxylic acid (CAS 52671-72-4)
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