| CAS No. | 993-13-5 |
| Molecular Formula | CH5O3P |
| Molecular Weight | 96.02 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.
CATO supplies P-Methylphosphonic acid (CAS 993-13-5), a certified reference material (molecular formula CH5O3P, MW 96.02 g/mol) for analytical method development and quality control.
Based on its molecular formula CH5O3P, P-Methylphosphonic acid contains a phosphonate group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 96.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), P-Methylphosphonic 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 | CH5O3P |
| Molecular Weight | 96.02 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.) | 1957 |