| CAS No. | 7439-91-0 |
| Molecular Formula | La |
| Molecular Weight | 138.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
La Standard Solution (CAS 7439-91-0), molecular formula La and molecular weight 138.91 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, La Standard Solution (La) 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 138.91 g/mol, it falls into the low-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.
CATO manufactures La Standard Solution under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | La |
| Molecular Weight | 138.91 g/mol |
| Purity | 1000μg/mL in 10% HCl |
| Storage | Store at 2-8°C |
| Solubility (reference) | Freely soluble in water |
| Stability | Stable under recommended storage conditions |
| CAS Registry Year (est.) | 1959 |