(S)-2-Hydroxy-4-(methylselanyl)butanoic acid CAS 873660-46-9
| CAS No. | 873660-46-9 |
| Molecular Formula | C5H10O3Se |
| Molecular Weight | 197.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-2-Hydroxy-4-(methylselanyl)butanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(S)-2-Hydroxy-4-(methylselanyl)butanoic acid (CAS 873660-46-9), molecular formula C5H10O3Se and molecular weight 197.09 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (S)-2-Hydroxy-4-(methylselanyl)butanoic acid is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 197.09 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.
Physical & Chemical Properties
| Molecular Formula | C5H10O3Se |
| Molecular Weight | 197.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1987 |
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