5,7-Difluoro-3-methyl-1-benzofuran-2-carboxylic acid CAS 1019111-84-2
| CAS No. | 1019111-84-2 |
| Molecular Formula | C10H6F2O3 |
| Molecular Weight | 212.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5,7-Difluoro-3-methyl-1-benzofuran-2-carboxylic acid (CAS 1019111-84-2), a certified reference material (molecular formula C10H6F2O3, MW 212.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H6F2O3, 5,7-Difluoro-3-methyl-1-benzofuran-2-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 212.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 5,7-Difluoro-3-methyl-1-benzofuran-2-carboxylic 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 | C10H6F2O3 |
| Molecular Weight | 212.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 4,6-Difluoro-1-methyl-1H-indazole-5-carboxylic acid (CAS 1329166-90-6)
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Recommended Standards
- B-Benzyl-9-BBN solution (CAS 53317-09-2)
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- 2-Fluoro-4,5-dimethylbenzoic acid (CAS 1427427-79-9)
- 7-Chlorocinnolin-4(1H)-one (CAS 18514-89-1)
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- 3-(4-bromophenyl)-5-(pyrrolidin-2-yl)-1,2,4-oxadiazole hydrochloride (CAS 1803608-62-9)
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