4,4-difluorocyclopent-2-en-1-one CAS 1781335-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1781335-71-4 |
| Molecular Formula | C5H4F2O |
| Molecular Weight | 118.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4-difluorocyclopent-2-en-1-one (CAS 1781335-71-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H4F2O. Molecular weight: 118.08 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H4F2O |
| Molecular Weight | 118.08 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
Recommended Standards
- 1,3-Cyclohexanedione-13C6 (CAS 1246820-51-8)
- 5-(Difluoromethyl)-1H-imidazole (CAS 196303-69-2)
- 1-Amino Hydantoin-13C3 (CAS 957509-31-8)
- ((2R,3R,4R,5R)-3-Acetoxy-5-(5-bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluorotetrahydrofuran-2-yl)methyl acetate (CAS 1188522-91-9)
- Allyl(2,3-dimethylphenyl)sulfane (CAS 1379037-11-2)
- 2-(4-(Chloromethyl)phenoxy)-6-methylpyrazine (CAS 921939-00-6)
- Copper(II) Stearate (CAS 660-60-6)
- Dequalinium impurity 21 (CAS CATO-C4X-193621)
- 2-Amino-6-hydroxybenzenesulfonic acid (CAS 66621-35-0)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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