5,5-dimethyldihydrothiophen-2(3H)-one CAS 21441-28-1
| CAS No. | 21441-28-1 |
| Molecular Formula | C6H10OS |
| Molecular Weight | 130.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5-dimethyldihydrothiophen-2(3H)-one (CAS 21441-28-1) is a high-purity analytical reference standard with the molecular formula C6H10OS and a molecular weight of 130.21 g/mol.
5,5-dimethyldihydrothiophen-2(3H)-one (C6H10OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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.
As a certified reference material (CRM), 5,5-dimethyldihydrothiophen-2(3H)-one 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.
Physical & Chemical Properties
| Molecular Formula | C6H10OS |
| Molecular Weight | 130.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1963 |
| Sulfur Atoms | 1 |
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