Ethyl 4,4-difluoro-2-methoxy-3-oxobutanoate CAS 840521-79-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 840521-79-1 |
| Molecular Formula | C7H10F2O4 |
| Molecular Weight | 196.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4,4-difluoro-2-methoxy-3-oxobutanoate (CAS 840521-79-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H10F2O4. Molecular weight: 196.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H10F2O4 |
| Molecular Weight | 196.15 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.) | 1987 |
| Halogen Content | F-containing |
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Recommended Standards
- Dimethyl 2,2-difluoropentanedioate (CAS 337-97-3)
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- Diethyl Difluoromalonate (CAS 680-65-9)
- Formycin (CAS 6742-12-7)
- 3-Iodo-1H-indazole-4-carbaldehyde (CAS 944904-44-3)
- 7-fluoro-2,3-dihydro-1-benzofuran-3-one (CAS 939759-27-0)
- (2,2-Dimethylpropyl)[(2-methoxypyridin-3-yl)methyl]amine (CAS 1250093-05-0)
- Boc-(S)-α-benzyl-Pro-OH (CAS 706806-61-3)
- 7-Hydroxy Mitomycin (CAS 7041-61-4)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com