2-(5-Carboxyfuran-2-yl)-4-oxo-4H-chromene-3-carboxylic acid CAS 89002-86-8
| CAS No. | 89002-86-8 |
| Molecular Formula | C15H8O7 |
| Molecular Weight | 300.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5-Carboxyfuran-2-yl)-4-oxo-4H-chromene-3-carboxylic acid (C15H8O7) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-(5-Carboxyfuran-2-yl)-4-oxo-4H-chromene-3-carboxylic acid (CAS 89002-86-8), a certified reference material (molecular formula C15H8O7, MW 300.22 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H8O7 |
| Molecular Weight | 300.22 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.) | 1982 |
Related Carboxyfuran Standards
Recommended Standards
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- AVJ6ZST7L6 7790-62-7 Potassium pyrosulfate Dipotassium disulphate Potassium pyrosulfate (K2S2O7) Pyrosulfuric acid, dipotassium salt Disulfuric acid, potassium salt (1:2) Disulfuric acid, dipotassium salt EINECS 232-216-8 Dipotassium disulfate Dipotassium pyrosulfate Potassium disulfate (K2S2O7) Potassium sulfate (K2S2O7) UNII-AVJ6ZST7L6 EC 232-216-8 (CAS 7790-62-7)
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