3-Chloro-2,4(3H,5H)-furandione CAS 4971-55-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4971-55-5 |
| Molecular Formula | C4H3ClO3 |
| Molecular Weight | 134.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-2,4(3H,5H)-furandione (CAS 4971-55-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H3ClO3. Molecular weight: 134.52 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H3ClO3 |
| Molecular Weight | 134.52 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 4-Chloro-5-hydroxyfuran-2(5H)-one (CAS 40636-99-5)
- 3-chloro-1,2-dihydropyrazin-2-one (CAS 105985-17-9)
- 3-Chloro-2,4-pentanedione (CAS 1694-29-7)
- 2-Chloro-1-methylcyclopropane-1-carboxylic acid (CAS 85391-09-9)
- 5-chloro-1H-imidazole-4-carbaldehyde (CAS 61994-11-4)
- 5-chloro-3,4-dihydropyrimidin-4-one (CAS 4349-08-0)
- 1-chloro-2-ethenyl-1-fluoro-2-methylcyclopropane (CAS 17725-43-8)
- 3-chloro-5-methyl-1,2,4-thiadiazole (CAS 1393584-82-1)
Recommended Standards
- 4-Chlorophenol-13C6 (CAS 475295-86-4)
- 2-Chlorophenol 13C6 (CAS 1975217-09-4)
- 2-(Chloromethyl)-5-fluorothiophene (CAS 1384164-41-3)
- 3-(1-Benzoylpiperidin-2-yl)pyridin-2(1H)-one (CAS 1352500-58-3)
- 4-(pent-3-yn-1-yl)thiomorpholine-3,5-dione (CAS 1598808-15-1)
- 1-(3,5-Difluoro-2-(isopentyloxy)phenyl)-2,2,2-trifluoroethan-1-one (CAS 1443344-37-3)
- 1-(2-Bromo-6-(difluoromethyl)phenyl)propan-1-one (CAS 1261580-39-5)
- 2-Chloro-4-(chloromethyl)-3-methylpyridine (CAS 1211588-98-5)
- 5-Bromo-8H-[1,3]dioxolo[4,5-g]indole-7-carboxylic acid (CAS 887360-42-1)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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