2,2-Difluoro-4-pentenoic Acid CAS 55039-89-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55039-89-9 |
| Molecular Formula | C5H6F2O2 |
| Molecular Weight | 136.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2-Difluoro-4-pentenoic Acid (CAS 55039-89-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6F2O2. Molecular weight: 136.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6F2O2 |
| Molecular Weight | 136.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | F-containing |
Related Difluoro Standards
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- 2,2-Difluoro-cyclopropanecarboxylic acid methyl ester (CAS 1823877-22-0)
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- rel-2,2-Difluoro-3-methylcyclopropane-1-carboxylic acid (CAS 2247657-28-7)
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Recommended Standards
- 1,3-difluorocyclobutane-1-carboxylic acid (CAS 2091263-77-1)
- 2-Furancarboxylic acid, 3-ethynyl- (CAS 2015630-44-9)
- 2h-Furo[2,3-c]pyran-2-one (CAS 857054-03-6)
- 1-(5-Methylpyridin-2-yl)propan-1-one (CAS 1563017-62-8)
- 5-Phenylisoxazole-4-carboxylic Acid (CAS 76344-95-1)
- 2,4,5-Trichloro-N-(5,6-dimethyl-1-(2-methylbenzyl)-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-66-8)
- 4-Methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline (CAS 1210048-04-6)
- 4-bromo-1H-indazol-6-ol (CAS 885518-75-2)
- 7-iodo-[1,2,4]triazolo[1,5-a]pyridine (CAS 690258-25-4)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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