| CAS No. | 54731-77-0 |
| Molecular Formula | C5H13O3P |
| Molecular Weight | 152.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Structurally, Ethyl(2-hydroxyethyl)(methyl)phosphinate (C5H13O3P) contains a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of -0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 152.13 g/mol, it falls into the medium-molecular-weight range.
Ethyl(2-hydroxyethyl)(methyl)phosphinate (CAS 54731-77-0) is a high-purity analytical reference standard with the molecular formula C5H13O3P and a molecular weight of 152.13 g/mol.
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), Ethyl(2-hydroxyethyl)(methyl)phosphinate 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 | C5H13O3P |
| Molecular Weight | 152.13 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.) | 1972 |