2-Bromo-5-(cyclopentylsulfonyl)thiophene CAS 438234-34-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 438234-34-5 |
| Molecular Formula | C9H11BrO2S2 |
| Molecular Weight | 295.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-5-(cyclopentylsulfonyl)thiophene (CAS 438234-34-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H11BrO2S2. Molecular weight: 295.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H11BrO2S2 |
| Molecular Weight | 295.22 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 | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2,2-Difluoro-1-(pyridin-4-yl)ethyl diethyl phosphate (CAS 83567-89-9)
- 2-Bromothianthrene (CAS 53455-06-4)
- 1-Bromothianthrene (CAS 94522-76-6)
- 4-(2-(Dimethylamino)ethyl)thiazol-2-amine (CAS 105797-52-2)
- 2-Bromo-N-{2-[(2-methyl-2-propenyl)oxy]-phenyl}acetamide (CAS 1138442-37-1)
- N-((5-(Hydroxy(thiophen-3-yl)methyl)thiophen-2-yl)methyl)thiophene-2-sulfonamide (CAS 1798024-24-4)
- Tert-butyl 2-hydroxy-6-azaspiro[4.5]Decane-6-carboxylate (CAS 2166732-63-2)
- Ethyl 4-Chloro-1,7-naphthyridine-2-carboxylate (CAS 250674-51-2)
- 2-Chloro-N-(2-methylbenzyl)benzamide (CAS 428472-49-5)
- Calcineurin Autoinhibitory Peptide (CAS 148067-21-4)
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 13829788188 / jacky.chen@cato-chem.com