5-(4-Bromophenyl)thiophene-2-carboxylic Acid CAS 40133-13-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40133-13-9 |
| Molecular Formula | C11H7BrO2S |
| Molecular Weight | 283.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Bromophenyl)thiophene-2-carboxylic Acid (CAS 40133-13-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H7BrO2S. Molecular weight: 283.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H7BrO2S |
| Molecular Weight | 283.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Bromo-N-(pyridin-2-yl)thiophene-2-carboxamide (CAS 777878-73-6)
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- 5-Bromo-N-(pyridin-3-yl)thiophene-2-carboxamide (CAS 582305-87-1)
- N-Methylaminogenistein (CAS 359436-93-4)
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- 6’-fluoro-3’,4’-dihydro-1’H-spiro[cyclobutane-1,2’-quinoxaline]-3’-one (CAS 1503582-73-7)
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- (Z)-3-allyl-5-((2-((2-hydroxyethyl)amino)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)-2-thioxothiazolidin-4-one (CAS 374094-29-8)
- 2-Amino-4-(2-ethyl-2H-tetrazol-5-yl)phenol (CAS 1020046-27-8)
- Insulin Degludec Impurity 8 (CAS CATO-C4X-21578)
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