4-Bromo-2-ethylthiophene CAS 83663-40-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83663-40-5 |
| Molecular Formula | C6H7BrS |
| Molecular Weight | 191.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-ethylthiophene (CAS 83663-40-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H7BrS. Molecular weight: 191.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H7BrS |
| Molecular Weight | 191.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
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- 3-Bromo-2,4-dimethylthiophene (CAS 79485-96-4)
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Recommended Standards
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- 2-(3-(Pyridin-3-yl)-5-(trifluoromethyl)pyridin-2-yl)acetic acid (CAS 1214378-50-3)
- Isopentadecanoic acid (CAS 50973-09-6)
- (3,6-Difluoro-2-(hexyloxy)phenyl)boronic acid (CAS 343628-19-3)
- 2-Chloro-[4,4'-bipyridine]-3-carbonitrile (CAS 1268104-62-6)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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