20405-64-5 44P3QN57K9 Cuprous selenide Copper selenide (Cu2Se) Dicopper selenide EINECS 243-796-7 UNII-44P3QN57K9 CAS 20405-64-5
| CAS No. | 20405-64-5 |
| Molecular Formula | Cu2Se |
| Molecular Weight | 206.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 20405-64-5 44P3QN57K9 Cuprous selenide Copper selenide (Cu2Se) Dicopper selenide EINECS 243-796-7 UNII-44P3QN57K9 is closely related to an inorganic composition in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
20405-64-5 44P3QN57K9 Cuprous selenide Copper selenide (Cu2Se) Dicopper selenide EINECS 243-796-7 UNII-44P3QN57K9 (CAS 20405-64-5) is a high-purity analytical reference standard with the molecular formula Cu2Se and a molecular weight of 206.05 g/mol.
Structurally, 20405-64-5 44P3QN57K9 Cuprous selenide Copper selenide (Cu2Se) Dicopper selenide EINECS 243-796-7 UNII-44P3QN57K9 (Cu2Se) 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 206.05 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.
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.
Physical & Chemical Properties
| Molecular Formula | Cu2Se |
| Molecular Weight | 206.05 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.) | 1962 |
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