Nimodipine EP Impurity B CAS 21881-78-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 21881-78-7 |
| Molecular Formula | C21H26N2O6 |
| Molecular Weight | 402.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Nimodipine EP Impurity B (CAS 21881-78-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H26N2O6. Molecular weight: 402.44 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H26N2O6 |
| Molecular Weight | 402.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related Nimodipine Standards
- Nimodipine Impurity 10 (CAS CATO-C4X-138510)
- Nimodipine Impurity 10 (CAS CATO-C4X-138510-SS)
- Nimodipine Impurity 12 (CAS CATO-C4X-138512)
- Nimodipine impurity 22 (CAS CATO-C4X-138522)
- Nimodipine Impurity 7 (CAS 82219-48-5)
- Nimodipine Impurity 25 (CAS 82219-47-4)
- Nimodipine Impurity 33 (CAS 39562-75-9)
- Nimodipine Impurity 4 (CAS CATO-C4X-13854)
Recommended Standards
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- CAS CATO-C3D-262723 (CAS CATO-C3D-262723)
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Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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