| CAS No. | 83567-96-8 |
| Molecular Formula | C11H16F2NO4P |
| Molecular Weight | 295.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
Diethyl (1,1-difluoro-2-hydroxy-2-(pyridin-4-yl)ethyl)phosphonate (CAS 83567-96-8), molecular formula C11H16F2NO4P and molecular weight 295.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H16F2NO4P, Diethyl (1,1-difluoro-2-hydroxy-2-(pyridin-4-yl)ethyl)phosphonate contains an amide group, a phosphate ester group, 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 295.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures Diethyl (1,1-difluoro-2-hydroxy-2-(pyridin-4-yl)ethyl)phosphonate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C11H16F2NO4P |
| Molecular Weight | 295.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; 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.) | 1980 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |