Diethyl 2-(1,1-difluoropropan-2-ylidene)malonate CAS 2095888-49-4
| CAS No. | 2095888-49-4 |
| Molecular Formula | C10H14F2O4 |
| Molecular Weight | 236.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Diethyl 2-(1,1-difluoropropan-2-ylidene)malonate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Diethyl 2-(1,1-difluoropropan-2-ylidene)malonate (CAS 2095888-49-4) is a high-purity analytical reference standard with the molecular formula C10H14F2O4 and a molecular weight of 236.21 g/mol.
Based on its molecular formula C10H14F2O4, Diethyl 2-(1,1-difluoropropan-2-ylidene)malonate contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Diethyl 2-(1,1-difluoropropan-2-ylidene)malonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H14F2O4 |
| Molecular Weight | 236.21 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.) | 1997 |
| Halogen Content | F-containing |
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- MMG-11 (CAS 313254-94-3)
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- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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