5-bromo-4-oxo-4H-pyran-2-carboxylic acid CAS 67897-52-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67897-52-3 |
| Molecular Formula | C6H3BrO4 |
| Molecular Weight | 218.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-bromo-4-oxo-4H-pyran-2-carboxylic acid (CAS 67897-52-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3BrO4. Molecular weight: 218.99 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H3BrO4 |
| Molecular Weight | 218.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1976 |
| Halogen Content | Br-containing |
Related bromo Standards
- 2-Bromo-4-nitropyridin-3-ol (CAS 1013642-97-1)
- 3-Bromo-2-oxo-2H-pyran-5-carboxylic acid (CAS 108723-62-2)
- 6-Bromo-3-hydroxypyrazine-2-carboxylic acid (CAS 1260667-67-1)
- 5-Bromo-6-hydroxypyrimidine-4-carboxylic acid (CAS 135274-82-7)
- 3-Bromo-2-hydroxy-5-nitropyridine (CAS 15862-33-6)
- 2-Bromo-6-nitropyridin-3-ol (CAS 167683-72-9)
- 3-Bromo-4-nitropyridine 1-Oxide (CAS 1678-49-5)
- 5-Bromo-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1781856-45-8)
Recommended Standards
- 5-Bromo-3-hydroxy-2-nitropyridine (CAS 691872-15-8)
- 6-Bromo-2-nitropyridin-3-ol (CAS 443956-08-9)
- 5-Bromo-2-oxo-1,2-dihydropyrimidine-4-carboxylic acid (CAS 71933-00-1)
- 3-Isopropoxybenzaldehyde (CAS 75792-33-5)
- (3-Methyl-2-oxo-2,3-dihydro-imidazo[1,2-a]pyridin-3-yl)-acetic acid 4199AE 486311-33-5 C10H10N2O3 (CAS 486311-33-5)
- N-(2-(1-Acetyl-5-(o-tolyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 923681-07-6)
- Ethyl 5-(2-chloroacetamido)-4-cyano-3-methylthiophene-2-carboxylate (CAS 449177-08-6)
- 2-(Methyl(6-morpholinopyrimidin-4-yl)amino)acetic acid (CAS 1706428-13-8)
- 2-(4-Oxo-2-thioxothiazolidin-5-yl)acetic acid (CAS 701-23-5)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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