| CAS No. | 15123-65-6 |
| Molecular Formula | HO3SSm |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 249.44 g/mol gives Samarium(III) sulfate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Samarium(III) sulfate (CAS 15123-65-6), molecular formula HO3SSmH2O and molecular weight 249.44 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Samarium(III) sulfate (HO3SSmH2O) contains a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 249.44 g/mol, it falls into the medium-molecular-weight range.
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), Samarium(III) sulfate 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 | HO3SSm H2O |
| Molecular Weight | 249.44 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.) | 1961 |
| Sulfur Atoms | 1 |