| CAS No. | 13478-50-7 |
| Molecular Formula | O3PbS2 |
| Molecular Weight | 319.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), Lead(II) thiosulfate 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.
Lead(II) thiosulfate (CAS 13478-50-7), molecular formula O3PbS2 and molecular weight 319.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula O3PbS2, Lead(II) thiosulfate contains a sulfone group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 319.33 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.
| Molecular Formula | O3PbS2 |
| Molecular Weight | 319.33 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1960 |
| Sulfur Atoms | 2 |