5-chloro-4-formylfuran-2-carboxylic acid CAS 31491-44-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31491-44-8 |
| Molecular Formula | C6H3ClO4 |
| Molecular Weight | 174.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-chloro-4-formylfuran-2-carboxylic acid (CAS 31491-44-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3ClO4. Molecular weight: 174.54 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3ClO4 |
| Molecular Weight | 174.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1965 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 5-Chloro-2-oxo-2,3-dihydropyrimidine-4-carboxylic acid (CAS 70662-92-9)
- 5-Chloro-6-oxo-3,6-dihydropyrimidine-4-carboxylic acid (CAS 914916-96-4)
- 5-Chloro-2-hydroxy-3-nitropyridine (CAS 21427-61-2)
- ethyl 5-chloro-8-iodo-imidazo[1,2-a]pyridine-3-carboxylate (CAS 2768298-94-6)
- (3aR,6R,6aR)-6-(((tert-Butyldimethylsilyl)oxy)methyl)-2,2-dimethyldihydrofuro[3,4-d][1,3]dioxol-4(3aH)-one (CAS 75467-36-6)
- Methyl (R)-3-(Dibenzylamino)-2-fluoropropanoate (CAS 88099-68-7)
- Di-tert-butyl (2-cyano-6-(dimethylphosphoryl)pyridin-3-yl)iminodicarbonate (CAS 2903925-06-2)
- 2-tert-butoxy-pyrimidine-5-boronic acid pinacol ester (CAS 2223044-16-2)
- 4-Chloro-2-Nitroaniline (CAS 89-63-4)
- Boc-Cholecystokinin Octapeptide (desulfated) (A-1295.0001) (CAS 25687-34-7)
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