4-Bromo-2-formylthiophene-3-carboxylic acid CAS 1334640-34-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1334640-34-4 |
| Molecular Formula | C6H3BrO3S |
| Molecular Weight | 235.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Bromo-2-formylthiophene-3-carboxylic acid (CAS 1334640-34-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C6H3BrO3S. Molecular weight: 235.06 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C6H3BrO3S |
| Molecular Weight | 235.06 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, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-formylthiophene-3-carboxylic acid (CAS 1397285-28-7)
- 3-bromo-2,4,6-trideuterio-5-(trifluoromethyl)pyridine (CAS 1643577-15-4)
- 5-Bromo-4-nitropyridine-3-thiol (CAS 1807102-34-6)
- 3-Bromo-5-nitropyridine-2-thiol (CAS 876489-83-7)
- 4-Bromo-3-formylthiophene-2-carboxylic acid (CAS 53685-98-6)
- 4-Bromo-5-formylthiophene-2-carboxylic acid (CAS 940097-96-1)
- 5-Bromo-3-nitropyridine-2-thiol (CAS 886372-86-7)
- 1-Bromo-2-fluoro-4-(methoxymethoxy)benzene (CAS 1054314-58-7)
Recommended Standards
- (2,4-Dichloro-6-methylphenoxy)acetic acid (CAS 13333-87-4)
- 2-(3,4-Dichlorophenyl)-2-methoxyacetic acid (CAS 13911-20-1)
- Ethyl 2,4-dichloro-6-hydroxybenzoate (CAS 132629-98-2)
- N-(5-bromo-2-ethoxybenzyl)aniline (CAS 664318-85-8)
- N'-((1H-Indol-3-yl)methylene)tetradecanehydrazide (CAS 881403-25-4)
- ZIF-68 (CAS 1018477-09-2)
- 1-(Difluoromethyl)-2-methyl-1h-1,3-benzodiazole (CAS 84941-16-2)
- 6-Bromo-3-(2-fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 876300-81-1)
- Tazarotene impurity 2 (CAS 7335-27-5)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
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)
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