Quinapril EP Impurity D CAS 103733-49-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 103733-49-9 |
| Molecular Formula | C25H28N2O4 |
| Molecular Weight | 420.50 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Quinapril EP Impurity D (CAS 103733-49-9) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H28N2O4. Molecular weight: 420.50 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H28N2O4 |
| Molecular Weight | 420.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Quinapril Standards
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- Quinapril (CAS 85441-61-8)
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- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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