| CAS No. | 7440-52-0 |
| Molecular Formula | Er |
| Molecular Weight | 167.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures Er 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.
Er Standard Solution (CAS 7440-52-0), molecular formula Er and molecular weight 167.26 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an inorganic composition, Er Standard Solution is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 167.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | Er |
| Molecular Weight | 167.26 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 |