Diethyl Difluoromalonate CAS 680-65-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 680-65-9 |
| Molecular Formula | C7H10F2O4 |
| Molecular Weight | 196.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl Difluoromalonate (CAS 680-65-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H10F2O4. Molecular weight: 196.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1957 |
| Halogen Content | F-containing |
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Recommended Standards
- 7,8-Difluoronaphthalene-1,3-diol (CAS 2858674-29-8)
- Dimethyl 2,2-difluoropentanedioate (CAS 337-97-3)
- 6,7-difluoro-3-methyl-chromen-4-one (CAS 2847139-12-0)
- Zinc Acetate dihydrate (CAS 5970-45-6)
- 2′-Deoxycytidylyl(3′→5′)-2′-deoxyguanosine ammonium salt (CAS 77710-57-7)
- 1-(Cyclopropylmethyl)-1h-1,2,3-benzotriazole-5-carboxylic acid (CAS 691363-38-9)
- Policresulen Impurity 13 (CAS CATO-C4X-198013)
- 3-(3-Methylphenyl)-3-trifluoromethylpropiophenone (CAS 898791-05-4)
- 2,5,6-Trifluoropyrimidin-4-amine (CAS 25935-33-5)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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