4-Hydroxytetrahydro-2H-thiopyran 1-oxide CAS 89211-29-0
| CAS No. | 89211-29-0 |
| Molecular Formula | C5H10O2S |
| Molecular Weight | 134.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxytetrahydro-2H-thiopyran 1-oxide (CAS 89211-29-0) is a high-purity analytical reference standard with the molecular formula C5H10O2S and a molecular weight of 134.20 g/mol.
The molecular framework of 4-Hydroxytetrahydro-2H-thiopyran 1-oxide (C5H10O2S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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), 4-Hydroxytetrahydro-2H-thiopyran 1-oxide 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 | C5H10O2S |
| Molecular Weight | 134.20 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) | 1.0 |
| CAS Registry Year (est.) | 1982 |
| Sulfur Atoms | 1 |
Related Hydroxytetrahydro Standards
- 3-Hydroxytetrahydro-2H-thiopyran 1-oxide (CAS 107319-08-4)
- 4-Hydroxytetrahydro-2H-pyran-4-carbaldehyde (CAS 1383482-51-6)
- 3-Hydroxytetrahydro-2H-pyran-4-carbonitrile (CAS 1780822-48-1)
- 3-Hydroxytetrahydro-2H-pyran-3-carbonitrile (CAS 209112-20-9)
- (7AS)-6-hydroxytetrahydro-1H-pyrrolo[1,2-c]imidazol-3(2H)-one (CAS 1447603-90-8)
- 7A-hydroxytetrahydro-1H-pyrrolo[1,2-a]imidazol-3(2H)-one (CAS 507263-07-2)
- 4-Hydroxytetrahydro-2H-thiopyran-4-carbonitrile (CAS 50289-18-4)
- 4-Hydroxytetrahydro-2H-pyran-4-carboxamide (CAS 1250204-50-2)
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