| CAS No. | CATO-C4X-13166 |
| Molecular Formula | C3H7O5P |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 177.05 g/mol gives Fosfomycin Trometamol EP Impurity A Disodium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Fosfomycin Trometamol EP Impurity A Disodium Salt (CAS CATO-C4X-13166, C3H7O5PNa) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a phosphate ester group, a carboxylic acid group, an ether linkage, Fosfomycin Trometamol EP Impurity A Disodium Salt is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 177.05 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Fosfomycin Trometamol EP Impurity A Disodium Salt 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 | C3H7O5P 2*Na |
| Molecular Weight | 177.05 g/mol |
| Purity | >80% |
| 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 |