15010-01-2 Barium, isotope of mass 138 138Ba Ba 138 Barium-138 CAS 15010-01-2
| CAS No. | 15010-01-2 |
| Molecular Formula | [138Ba] |
| Molecular Weight | 137.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
15010-01-2 Barium, isotope of mass 138 138Ba Ba 138 Barium-138 (CAS 15010-01-2), molecular formula [138Ba] and molecular weight 137.91 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 15010-01-2 Barium, isotope of mass 138 138Ba Ba 138 Barium-138 ([138Ba]) 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | [138Ba] |
| Molecular Weight | 137.91 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1961 |
Related Barium Standards
- 13981-97-0 Barium, isotope of mass 137 DTXSID30161173 (CAS 13981-97-0)
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- barium oxide (CAS 1304-28-5)
- barium hydroxide solution (CAS 17194-00-2)
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Recommended Standards
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Why CATO?
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