| CAS No. | 10431-47-7 |
| Molecular Formula | O3Se |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 166.07 g/mol gives Potassium selenite distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Potassium selenite (CAS 10431-47-7) is a high-purity analytical reference standard with the molecular formula O3SeK and a molecular weight of 166.07 g/mol.
Structurally, Potassium selenite (O3SeK) contains an inorganic composition. 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 166.07 g/mol, it falls into the medium-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Potassium selenite 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 | O3Se 2*K |
| Molecular Weight | 166.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |