5-bromo-2-chlorothiophene-3-carboxylic acid CAS 189330-38-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189330-38-9 |
| Molecular Formula | C5H6BrClO2S |
| Molecular Weight | 245.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-bromo-2-chlorothiophene-3-carboxylic acid (CAS 189330-38-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H6BrClO2S. Molecular weight: 245.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H6BrClO2S |
| Molecular Weight | 245.52 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) | 2.0 |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3,5-Dichlorobenzenesulfonyl Chloride (CAS 705-21-5)
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- 2,3-Dichlorobenzene-1-sulfonyl chloride (CAS 82417-45-6)
- Nifurtimox (CAS 23256-30-6)
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- (R)-2-(3-((2-(Benzyloxy)-2-oxoethyl)amino)piperidin-1-yl)acetic acid (CAS 1354000-78-4)
- 3,3,3-Trifluoro-1-(thiophen-2-yl)propan-1-amine (CAS 1019392-42-7)
- Biotinyl-S6 Phosphate Acceptor Peptide trifluoroacetate salt (CAS 1815618-12-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com