Ethyl 4,4-difluorobut-2-ynoate CAS 129922-56-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 129922-56-1 |
| Molecular Formula | C6H6F2O2 |
| Molecular Weight | 148.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 4,4-difluorobut-2-ynoate (CAS 129922-56-1) pharmaceutical standards reference standard. Molecular formula: C6H6F2O2. Molecular weight: 148.11 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H6F2O2 |
| Molecular Weight | 148.11 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 | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
Related Ethyl Standards
- Ethyl 4,4-difluorobut-2-enoate (CAS 1992-97-8)
- (E)-2,3-Difluorobut-2-Enedioic Acid (CAS 2714-32-1)
- (E)-4,4-Difluorobut-2-enoic acid (CAS 37759-73-2)
- 4,4-Difluorobut-2-enoic acid (CAS 944328-71-6)
- 4,4-Difluorobut-2-ynoic acid (CAS 110680-65-4)
- 2,2-Difluorobut-3-en-1-ol (CAS 182439-31-2)
- 3-(1,1-Difluorobut-3-en-1-yl)-8-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 477889-55-7)
Recommended Standards
- (1-(Difluoromethyl)-1H-pyrazol-3-yl)methanol (CAS 1245772-78-4)
- 3-(Difluoromethyl)-1-methyl-1H-pyrazol-5-ol (CAS 129922-58-3)
- [1-(difluoromethyl)-1H-pyrazol-5-yl]methanol (CAS 1245772-28-4)
- 2-Methyl-5-nitrophenyl isocyanide (CAS 1930-91-2)
- 5-Ethyl-N,N-diisopropyl-3-methylisoxazole-4-carboxamide (CAS 106833-52-7)
- 8-methoxy-6-(4-methylpiperazin-1-yl)-1,2,3,4-tetrahydro-1,5-naphthyridine (CAS 1706456-72-5)
- 2,5-Diazabicyclo[2.2.1]heptane-2-carboxylic acid, 6-(trifluoromethyl)-, 1,1-dimethylethyl ester (CAS 1250995-58-4)
- 4-chloro-7-methoxyquinazolin-6-amine (CAS 1456722-91-0)
- methyl 4-[3-(trifluoromethyl)phenyl]butanoate (CAS 191155-77-8)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
Why CATO?
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