| CAS No. | 1263034-23-6 |
| Molecular Formula | C5H11O5P |
| Molecular Weight | 182.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of (4-Methoxy-4-oxo-butyl)phosphonic acid is closely related to a carbohydrate-derived structure, a phosphate ester group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(4-Methoxy-4-oxo-butyl)phosphonic acid (CAS 1263034-23-6) is a high-purity analytical reference standard with the molecular formula C5H11O5P and a molecular weight of 182.11 g/mol.
Based on its molecular formula C5H11O5P, (4-Methoxy-4-oxo-butyl)phosphonic acid contains a carbohydrate-derived structure, a phosphate ester group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 182.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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), (4-Methoxy-4-oxo-butyl)phosphonic acid 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.
| Molecular Formula | C5H11O5P |
| Molecular Weight | 182.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 1990 |