4-Bromo-3-(2-methoxyethoxy)thiophene-2-carboxylic acid CAS 1708251-08-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1708251-08-4 |
| Molecular Formula | C8H9BrO4S |
| Molecular Weight | 281.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-3-(2-methoxyethoxy)thiophene-2-carboxylic acid (CAS 1708251-08-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H9BrO4S. Molecular weight: 281.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H9BrO4S |
| Molecular Weight | 281.12 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1994 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Bromo-4-(2-methoxyethoxy)thiophene-2-carboxylic acid (CAS 1707372-03-9)
- 4-(Benzyloxy)-1-bromo-2-fluorobenzene (CAS 185346-79-6)
- 4'-Bromo-3-fluoro-4-methoxy-1,1'-biphenyl (CAS 1443340-33-7)
- Fmoc-HoCys(Acm)-OH (CAS 150281-21-3)
- tert-Butyl (3S)-3-propylpiperazine-1-carboxylate hydrochloride (CAS 1217448-65-1)
- 2-Fluoropalmitic acid (CAS 89270-22-4)
- (3S,8aS)-Methyl octahydropyrrolo[1,2-a]pyrazine-3-carboxylate (CAS 182072-49-7)
- 1-Methyl-2-(piperazin-1-yl)-1H-benzo[d]imidazole hydrochloride, 95% (CAS 1185319-78-1)
- cis-8-Eicosenoic Acid Methyl Ester (CAS 69119-99-9)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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