21548-73-2 9ZB10YHC1C Silver sulfide Disilver sulphide Silver sulfide (Ag2S) EINECS 244-438-2 UNII-9ZB10YHC1C CAS 21548-73-2
| CAS No. | 21548-73-2 |
| Molecular Formula | Ag2S |
| Molecular Weight | 247.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
21548-73-2 9ZB10YHC1C Silver sulfide Disilver sulphide Silver sulfide (Ag2S) EINECS 244-438-2 UNII-9ZB10YHC1C (CAS 21548-73-2), molecular formula Ag2S and molecular weight 247.80 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, 21548-73-2 9ZB10YHC1C Silver sulfide Disilver sulphide Silver sulfide (Ag2S) EINECS 244-438-2 UNII-9ZB10YHC1C is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 247.80 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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.
CATO manufactures 21548-73-2 9ZB10YHC1C Silver sulfide Disilver sulphide Silver sulfide (Ag2S) EINECS 244-438-2 UNII-9ZB10YHC1C 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.
Physical & Chemical Properties
| Molecular Formula | Ag2S |
| Molecular Weight | 247.80 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.) | 1963 |
| Sulfur Atoms | 1 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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