2,3-Difluoromaleic acid CAS 685-64-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 685-64-3 |
| Molecular Formula | C4H2F2O4 |
| Molecular Weight | 152.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,3-Difluoromaleic acid (CAS 685-64-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H2F2O4. Molecular weight: 152.05 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H2F2O4 |
| Molecular Weight | 152.05 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.) | 1957 |
| Halogen Content | F-containing |
Recommended Standards
- (E)-2,3-Difluorobut-2-Enedioic Acid (CAS 2714-32-1)
- 2,4,5,6-Tetrafluoropyrimidine (CAS 767-79-3)
- Tetrafluoropyrazine (CAS 13177-77-0)
- (E)-{[2-(2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}ethoxy)phenyl]methylidene}[(4-chlorophenyl)methoxy]amine (CAS 338409-03-3)
- 2-[[(1-Butyl-1H-benzimidazol-2-yl)amino]methyl]phenol (CAS 384377-41-7)
- 2-amino-5,5-dimethylhexan-1-ol hydrochloride (CAS 1314930-59-0)
- tert-Butyl (5-bromofuran-2-yl)carbamate (CAS 1239721-51-7)
- N1-Isopropyl-N2-(2-(4-methylpiperazin-1-yl)-2-(thiophen-3-yl)ethyl)oxalamide (CAS 946355-22-2)
- 10-L-Alaninamide-Ganirelix (CAS CATO-C4X-23733)
- Cycloaspeptide A (CAS 109171-13-3)
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