Sodium aminosalicylate EP Impurity A(Mesalazine EP Impurity B) CAS 591-27-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 591-27-5 |
| Molecular Formula | C6H7NO |
| Molecular Weight | 109.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Sodium aminosalicylate EP Impurity A(Mesalazine EP Impurity B) (CAS 591-27-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H7NO. Molecular weight: 109.13 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H7NO |
| Molecular Weight | 109.13 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Sodium Standards
Recommended Standards
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- Exenatide (CAS 141758-74-9（free base）)
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