3-Bromotetrahydro-2h-thiopyran 1,1-dioxide CAS 38690-81-2
| CAS No. | 38690-81-2 |
| Molecular Formula | C5H9BrO2S |
| Molecular Weight | 213.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H9BrO2S, 3-Bromotetrahydro-2h-thiopyran 1,1-dioxide contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 213.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Bromotetrahydro-2h-thiopyran 1,1-dioxide (CAS 38690-81-2) is a high-purity analytical reference standard with the molecular formula C5H9BrO2S and a molecular weight of 213.09 g/mol.
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 | C5H9BrO2S |
| Molecular Weight | 213.09 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromotetrahydro Standards
- 4-Bromotetrahydro-2H-pyran-4-carboxylic acid (CAS 1803600-06-7)
- (+/-)-trans-3-Bromotetrahydro-2-(2-propynyloxy)-furan (2R,3S)-rel-3-Bromotetrahydro-2-(2-propyn-1-yloxy)-furan 109789-15-3 trans-3-Bromot-2-(2-propynyloxy)-etrahydrofuran (CAS 109789-15-3)
- Methyl 4-bromotetrahydro-2H-pyran-4-carboxylate (CAS 1192067-13-2)
- 3-Bromotetrahydro-2H-thiopyran 1-oxide (CAS 332041-59-5)
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- 3-Bromotetrahydro-2H-pyran-2-ol (CAS 103755-65-3)
- 5-Bromotetrahydro-2H-pyran-2-ol (CAS 645413-10-1)
- 3-Bromotetrahydro-2H-pyran (CAS 13047-01-3)
Recommended Standards
- 3-(Bromomethyl)tetrahydrothiophene 1,1-dioxide (CAS 321979-37-7)
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