3-Bromotetrahydro-2H-thiopyran 1-oxide CAS 332041-59-5
| CAS No. | 332041-59-5 |
| Molecular Formula | C5H9BrOS |
| Molecular Weight | 197.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromotetrahydro-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.
CATO supplies 3-Bromotetrahydro-2H-thiopyran 1-oxide (CAS 332041-59-5), a certified reference material (molecular formula C5H9BrOS, MW 197.09 g/mol) for analytical method development and quality control.
Structurally, 3-Bromotetrahydro-2H-thiopyran 1-oxide (C5H9BrOS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 197.09 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H9BrOS |
| Molecular Weight | 197.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| 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.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromotetrahydro Standards
- (+/-)-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)
- 4-Bromotetrahydro-2H-pyran-4-carboxylic acid (CAS 1803600-06-7)
- 3-Bromotetrahydro-2H-thiopyran (CAS 32358-86-4)
- 3-Bromotetrahydro-2h-thiopyran 1,1-dioxide (CAS 38690-81-2)
- 3-Bromotetrahydro-2H-pyran-2-ol (CAS 103755-65-3)
- 5-Bromotetrahydro-2H-pyran-2-ol (CAS 645413-10-1)
- Methyl 4-bromotetrahydro-2H-pyran-4-carboxylate (CAS 1192067-13-2)
- 3-Bromotetrahydro-2H-pyran (CAS 13047-01-3)
Recommended Standards
- 3-Bromo-1-propanethiol Acetate (CAS 928-46-1)
- 4-bromo-2-methoxythiophene (CAS 73882-42-5)
- 1-Bromo-7-fluoroheptane (CAS 334-42-9)
- Isosorbide Dinitrate Impurity 12 (CAS 1217604-00-6)
- 1-(Bromomethyl)-4-(tert-butyl)-1-isopropoxycyclohexane (CAS 1341791-21-6)
- 478043-50-4 2-Chloro-N-(4-methoxyphenyl)-1-methyl-1H-indole-3-carboxamide MFCD01814446 (CAS 478043-50-4)
- Methyl (2,3-dihydro-1h-inden-2-yl)glycinate (CAS 158458-97-0)
- 4-[(tert-Butoxycarbonyl)amino]-3-chlorobenzoic acid (CAS 1340354-00-8)
- 5-Methyl-10,11-dihydro-5H-dibenzo[b,f]azepine (CAS 4513-01-3)
- Dodecyltrimethoxysilane (CAS 3069-21-4)
- Ensitrelvir Impurity 4 HCl (CAS 135206-76-7)
- 3,3'-Dimethyl-2,2'-biquinoxaline (CAS 6639-89-0)
- 2-Amino-3-phenylbutanoic acid (CAS 2260-12-0)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com