Methyl 4-chloro-2,2,3,3-tetrafluoro-4-oxobutanoate CAS 21543-97-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21543-97-5 |
| Molecular Formula | C5H3ClF4O3 |
| Molecular Weight | 222.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 4-chloro-2,2,3,3-tetrafluoro-4-oxobutanoate (CAS 21543-97-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3ClF4O3. Molecular weight: 222.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3ClF4O3 |
| Molecular Weight | 222.52 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1963 |
| Halogen Content | F/Cl-containing |
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- Indoline-3-carboxylic acid hydrochloride (CAS 1982760-98-4)
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- Peptide 442 (CAS CATO-CPTD788442)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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