Nalfurafine Impurity 9 CAS 539-47-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 539-47-9 |
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Nalfurafine Impurity 9 (CAS 539-47-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H6O3. Molecular weight: 138.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Nalfurafine Standards
Recommended Standards
- Terbutaline Impurity 55 (CAS 26153-38-8)
- Glipizide Impurity 13 (CAS 5521-61-9)
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- Salbutamol Impurity 63 (CAS CATO-C4X-117663)
- Mosapride Impurity 18 (CAS 5455-98-1)
- 2-(2-t-Boc-aminoethoxy)anisole-d3 (CAS 1219179-77-7)
- 2-Propylhexanoic Acid-d7 (CAS 1246818-01-8)
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- Tetrahydropyrrolo[1,2-b][1,2,5]thiadiazol-3(2H)-one 1,1-dioxide (CAS 150018-65-8)
- C-Peptide 1 (rat) (CAS 41475-27-8)
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