Diethyl (2-(4-chlorophenyl)-1,1-difluoro-2-hydroxyethyl)phosphonate CAS 1093490-20-0
| CAS No. | 1093490-20-0 |
| Molecular Formula | C12H16ClF2O4P |
| Molecular Weight | 328.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Diethyl (2-(4-chlorophenyl)-1,1-difluoro-2-hydroxyethyl)phosphonate (C12H16ClF2O4P) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 328.68 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Diethyl (2-(4-chlorophenyl)-1,1-difluoro-2-hydroxyethyl)phosphonate (CAS 1093490-20-0), molecular formula C12H16ClF2O4P and molecular weight 328.68 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Diethyl (2-(4-chlorophenyl)-1,1-difluoro-2-hydroxyethyl)phosphonate 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 | C12H16ClF2O4P |
| Molecular Weight | 328.68 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F/Cl-containing |
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Recommended Standards
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- 3-Methoxycarbonyl PROXYL (CAS 2154-33-8)
- 5-Bromo-4-butylpyrimidine (CAS 4595-64-6)
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- 5-((4-Fluorophenyl)amino)-3-phenylthiazolidine-2,4-dione (CAS 1007921-79-0)
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