| CAS No. | 14280-48-9 |
| Molecular Formula | [203Tl] |
| Molecular Weight | 202.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(203)81Tl (203)Tl 14280-48-9 CHEBI:37802 thallium, isotope of mass 203 thallium-203 (CAS 14280-48-9) is a high-purity analytical reference standard with the molecular formula [203Tl] and a molecular weight of 202.97 g/mol.
The molecular framework of (203)81Tl (203)Tl 14280-48-9 CHEBI:37802 thallium, isotope of mass 203 thallium-203 ([203Tl]) is characterized by an inorganic composition. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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), (203)81Tl (203)Tl 14280-48-9 CHEBI:37802 thallium, isotope of mass 203 thallium-203 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 | [203Tl] |
| Molecular Weight | 202.97 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1961 |