5-Acetoxy-6-acetyl-2-methylbenzofuran-3-carboxylic acid CAS 63529-87-3
| CAS No. | 63529-87-3 |
| Molecular Formula | C14H12O6 |
| Molecular Weight | 276.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Acetoxy-6-acetyl-2-methylbenzofuran-3-carboxylic acid (CAS 63529-87-3) is a high-purity analytical reference standard with the molecular formula C14H12O6 and a molecular weight of 276.24 g/mol.
Based on its molecular formula C14H12O6, 5-Acetoxy-6-acetyl-2-methylbenzofuran-3-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C14H12O6 |
| Molecular Weight | 276.24 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
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- Thioctic Acid Impurity 12 (CAS 916746-61-7)
- 2-{4-methoxy-3-[(trifluoromethyl)sulfanyl]phenyl}acetonitrile (CAS 1311314-66-5)
- 5-([1,1'-Biphenyl]-4-yl)pentanoic acid (CAS 51994-31-1)
- 4-Bromo-3,5-dimethoxybenzohydrazide (CAS 263567-38-0)
- 2-(tert-Butyl)-6-chloro-N-methoxy-N-methylbenzo[d]oxazole-7-sulfonamide (CAS 1206896-20-9)
- Budesonide Impurity N22 (CAS 82423-35-6)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
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