Nifuratel Impurity 13 CAS 57500-49-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 57500-49-9 |
| Molecular Formula | C5H3NO4 |
| Molecular Weight | 141.08 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Nifuratel Impurity 13 (CAS 57500-49-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H3NO4. Molecular weight: 141.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H3NO4 |
| Molecular Weight | 141.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 1 |
Related Nifuratel Standards
Recommended Standards
- Lesogaberan (CAS 344413-67-8)
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- Lefamulinum Impurity 2 (CAS CATO-C4X-30472)
- Retigabine Impurity 1 (CAS CATO-C4X-13141)
- 2,5-Difluoropyridin-3-amine (CAS 1214349-97-9)
- Ethyl 4-bromo-2,3,6-trifluorobenzoate (CAS 773139-40-5)
- N-Isobutyl-1,2,3,4-tetrahydroquinoline-8-carboxamide (CAS 1282997-18-5)
- Ethoxytriphenylsilane (CAS 1516-80-9)
- D-Ile12-Tirzepatide (CAS CATO-CPTD788921)
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