4,4,4-Trifluoro-3-hydroxybut-2-enoic acid CAS 86302-40-1
| CAS No. | 86302-40-1 |
| Molecular Formula | C4H3F3O3 |
| Molecular Weight | 156.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,4-Trifluoro-3-hydroxybut-2-enoic acid (CAS 86302-40-1), molecular formula C4H3F3O3 and molecular weight 156.06 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, 4,4,4-Trifluoro-3-hydroxybut-2-enoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.06 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H3F3O3 |
| Molecular Weight | 156.06 g/mol |
| 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 | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | F-containing |
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