Duloxetine Impurity 44 Oxalate CAS 116817-28-8
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 116817-28-8 |
| Molecular Formula | C18H19NOS C2H2O4 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Duloxetine Impurity 44 Oxalate (CAS 116817-28-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H19NOS C2H2O4. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H19NOS C2H2O4 |
| Molecular Weight | 387.45 g/mol |
| Purity | ≥95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Duloxetine Standards
- Duloxetine EP Impurity E HCl (CAS 1033719-36-6)
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- rac-Duloxetine EP Impurity F HCl (CAS 1104890-90-5)
- Duloxetine EP Impurity B (CAS 116539-55-0)
- Duloxetine Impurity (CAS 116539-57-2)
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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