5-(5-Bromothiophen-2-yl)thiophene-2-carboxylic acid CAS 3339-81-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3339-81-9 |
| Molecular Formula | C9H5BrO2S2 |
| Molecular Weight | 289.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(5-Bromothiophen-2-yl)thiophene-2-carboxylic acid (CAS 3339-81-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H5BrO2S2. Molecular weight: 289.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H5BrO2S2 |
| Molecular Weight | 289.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Bromothiophen Standards
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- 1-((4-Bromothiophen-2-yl)methyl)pyrrolidine-2-carboxamide (CAS 1248730-02-0)
- (3-Bromothiophen-2-yl)(5-methylthiophen-2-yl)methanol (CAS 1344017-76-0)
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- 2-(3-(5-Bromothiophen-2-yl)-1,2,4-oxadiazol-5-yl)acetic acid (CAS 1340308-50-0)
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Recommended Standards
- 5-(4-Bromobenzenesulfinyl)-1,2,3-thiadiazole (CAS 338397-21-0)
- 5-(Methoxycarbonyl)-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 916212-10-7)
- 3-Bromo-3,5-dimethylbenzophenone (CAS 844879-51-2)
- 6-Methyl-[1,2,4]triazolo[4,3-b]pyridazine-3-thiol (CAS 89418-40-6)
- 3-Chloro-5-(trifluoromethoxy)-1H-indazole (CAS 1446406-93-4)
- Methyl 2-(5-bromopyrimidin-2-yl)-2-methylpropanoate (CAS 1364718-88-6)
- 8-(3-Aminopyrrolidin-1-yl)-2-(4-fluorobenzyl)-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (CAS 1710833-87-6)
- 1-(4-Fluorophenyl)-3-((2,3,4,5,6-pentamethylbenzyl)thio)propan-1-one (CAS 882749-16-8)
- 1-Methyl-4-(2-piperidin-2-yl-ethyl)-piperazine (CAS 856843-58-8)
- Peptide Impurity (CAS CATO-CPTD788810)
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