Verapamil EP Impurity I CAS 2893-91-6
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 2893-91-6 |
| Molecular Formula | C26H36N2O4 |
| Molecular Weight | 440.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Verapamil EP Impurity I (CAS 2893-91-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H36N2O4. Molecular weight: 440.58 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H36N2O4 |
| Molecular Weight | 440.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| 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.) | 1957 |
| Nitrogen Atoms | 2 |
Related Verapamil Standards
- (S)-(-)-Verapamil HCl (CAS 36622-29-4)
- Verapamil EP Impurity J (CAS 67018-85-3)
- Verapamil Impurity 36 (CAS 77326-93-3)
- Verapamil Impurity 37 (CAS 67018-80-8)
- Verapamil Impurity 38 (CAS 114847-42-6)
- Verapamil Impurity 39 (CAS 31910-93-7)
- Verapamil Impurity 44 (CAS CATO-C4X-177844)
- Verapamil EP Impurity H (CAS 67018-83-1)
Recommended Standards
- N,N'-Diphenyl-N,N'-di(m-tolyl)-1,4-phenylenediamine (CAS 80223-29-6)
- N-(2-Cyano-3-methylbutan-2-yl)-2-((5,6-dimethyl-4-oxo-3-phenyl-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 761420-54-6)
- AEE 788 (CAS 497839-62-0)
- Everolimus O-Ethyl Impurity (CAS 1704711-12-5)
- Oseltamivir impurity 232 (CAS CATO-C4X-1720232)
- 4-(Chloromethyl)-3-(2,6-dichlorophenyl)-5-isopropylisoxazole (CAS 700835-81-0)
- tert-Butyl 4-Hydroxy-3-nitrobenzoate (CAS 273939-22-3)
- N-(1-(piperidin-4-ylmethyl)-1H-pyrazol-4-yl)acetamide (CAS 1316225-52-1)
- N-(2-morpholinoethyl)-2,2-diphenylacetamide (CAS 329219-60-5)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
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