6-(Difluoromethyl)-4-oxo-4H-pyran-2-carboxylic acid CAS 1083402-18-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1083402-18-9 |
| Molecular Formula | C7H4F2O4 |
| Molecular Weight | 190.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-(Difluoromethyl)-4-oxo-4H-pyran-2-carboxylic acid (CAS 1083402-18-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4F2O4. Molecular weight: 190.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4F2O4 |
| Molecular Weight | 190.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
Related Difluoromethyl Standards
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Recommended Standards
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- 5-((tert-Butyldimethylsilyl)oxy)-3-iodo-1-methyl-1H-indazole (CAS 1426421-71-7)
- Benzo[d]imidazo[2,1-b]thiazole-2-carbohydrazide (CAS 181486-64-6)
- 1-Phenyl-5,6-dihydropyridin-2(1H)-one (CAS 56235-33-7)
- 3-(m-Tolyl)pyrrolidine hydrochloride (CAS 1187172-21-9)
- 5-(4-Chlorobenzyl)-2-mercapto-6-methylpyrimidin-4-ol (CAS 36327-93-2)
- 6-Hydroxydopaquinone (CAS 135791-48-9)
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