(E)-4,4-Difluorobut-2-enoic acid CAS 37759-73-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 37759-73-2 |
| Molecular Formula | C4H4F2O2 |
| Molecular Weight | 122.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4,4-Difluorobut-2-enoic acid (CAS 37759-73-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4F2O2. Molecular weight: 122.07 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4F2O2 |
| Molecular Weight | 122.07 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.) | 1967 |
| Halogen Content | F-containing |
Related E Standards
- 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)
- Ethyl 4,4-difluorobut-2-ynoate (CAS 129922-56-1)
- Ethyl 4,4-difluorobut-2-enoate (CAS 1992-97-8)
- (E)-2,3-Difluorobut-2-Enedioic Acid (CAS 2714-32-1)
- 3-(1,1-Difluorobut-3-en-1-yl)-8-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 477889-55-7)
Recommended Standards
- (S)-2,2-Difluorocyclopropanecarboxylic acid, 97% (CAS 1883301-82-3)
- (1R)-2,2-difluorocyclopropanecarboxylic acid (CAS 1631747-25-5)
- 4,4-difluorooxolan-3-one (CAS 2167321-91-5)
- 2,2-Difluoro-2-(o-tolyl)ethanamine (CAS 1365807-92-6)
- Decarboxy carnosine DiHCl (CAS 57022-38-5)
- 2-Benzyl-2,6-diazaspiro[3.3]heptane (CAS 1194508-28-5)
- Benzyl 2-carbamimidoylpyrrolidine-1-carboxylate (CAS 1196532-91-8)
- 3-Methylcinnolin-4(1H)-one (CAS 7317-82-0)
- N-(3-(4-Amino-2-fluorophenoxy)phenyl)acetamide hydrochloride (CAS 1185094-28-3)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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