Amlodipine EP Impurity E Maleate CAS 400024-12-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 400024-12-6 |
| Molecular Formula | C21H27ClN2O5 C4H4O4 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Amlodipine EP Impurity E Maleate (CAS 400024-12-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H27ClN2O5 C4H4O4. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H27ClN2O5 C4H4O4 |
| Molecular Weight | 538.98 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Amlodipine Standards
- Amlodipine Impurity N32 (CAS 103094-30-0)
- (R)-Amlodipine (CAS 103129-81-3)
- Amlodipine (S)-Isomer (CAS 103129-82-4)
- Amlodipine Impurity N5 (CAS 107812-86-2)
- Amlodipine Impurity N2 (CAS 111429-90-4)
- Amlodipine Besylate (CAS 111470-99-6)
- Amlodipine Impurity N4 (CAS 113994-36-8)
- Amlodipine Impurity 38 (CAS 113994-37-9)
Recommended Standards
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- 5-(chloromethyl)-3-(2-ethoxyphenyl)-1,2,4-oxadiazole (CAS 923239-59-2)
- N'-benzylidene-2-cyanoacetohydrazide (CAS 180793-11-7)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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