2,3-Dihydroxyfumaric acid dihydrate CAS 20688-70-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20688-70-4 |
| Molecular Formula | C4H4O6 2*H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydroxyfumaric acid dihydrate (CAS 20688-70-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4O6 2*H2O. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4O6 2*H2O |
| Molecular Weight | 166.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
Related Dihydroxyfumaric Standards
Recommended Standards
- 4-(Difluoromethyl)-6-iodo-3-methoxypicolinic acid (CAS 1807093-34-0)
- 2-amino-N-hydroxybenzamide (CAS 5623-04-1)
- Benzoic acid, 4-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]- (CAS 135240-95-8)
- 2-Butenoic acid, 3-(1h-pyrazol-4-ylamino)-, ethyl ester (CAS 59376-34-0)
- 4-(4-Fluorophenyl)pyrimidine (CAS 68049-19-4)
- 5-Bromo-2-methyl-2,3-dihydrobenzofuran (CAS 102292-30-8)
- Tau Peptide (298-312) trifluoroacetate salt (CAS 330456-47-8)
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