1-[[Dichloro(diethoxyphosphoryl)methyl]-ethoxy-phosphoryl]oxyethane CAS 19928-97-3
| CAS No. | 19928-97-3 |
| Molecular Formula | C9H20Cl2O6P2 |
| Molecular Weight | 357.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-[[Dichloro(diethoxyphosphoryl)methyl]-ethoxy-phosphoryl]oxyethane (C9H20Cl2O6P2) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of -1.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 357.11 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-[[Dichloro(diethoxyphosphoryl)methyl]-ethoxy-phosphoryl]oxyethane (CAS 19928-97-3), molecular formula C9H20Cl2O6P2 and molecular weight 357.11 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), 1-[[Dichloro(diethoxyphosphoryl)methyl]-ethoxy-phosphoryl]oxyethane 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 | C9H20Cl2O6P2 |
| Molecular Weight | 357.11 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
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