Diethyl2-(chloromethylene)malonate CAS 28783-51-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28783-51-9 |
| Molecular Formula | C8H11ClO4 |
| Molecular Weight | 206.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Diethyl2-(chloromethylene)malonate (CAS 28783-51-9) pharmaceutical standards reference standard. Molecular formula: C8H11ClO4. Molecular weight: 206.62 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H11ClO4 |
| Molecular Weight | 206.62 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 |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
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- [Glu]17-Liraglutide (CAS CATO-C4X-199236)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com