Quinapril EP Impurity E CAS 2055735-09-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2055735-09-4 |
| Molecular Formula | C25H36N2O5 |
| Molecular Weight | 444.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Quinapril EP Impurity E (CAS 2055735-09-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C25H36N2O5. Molecular weight: 444.56 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H36N2O5 |
| Molecular Weight | 444.56 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |
Related Quinapril Standards
- Quinapril EP Impurity I (CAS 103775-09-3)
- Quinapril EP Impurity G (CAS 103833-16-5)
- Quinapril (CAS 85441-61-8)
- Quinapril Isopropyl Ester Analog (CAS 955034-25-0)
- Quinapril impurity 3 (CAS CATO-C4X-17413)
- Quinapril ethyl ester (CAS 103733-35-3)
- Quinapril EP Impurity D (CAS 103733-49-9)
- Quinapril EP Impurity C-d5 (CAS 1279034-23-9)
Recommended Standards
- N-Nitroso Salmeterol impurity 30 (CAS 3036581-81-1)
- Phytomenadione/Vitamin K1 Impurity 130 (CAS CATO-C4X-2207130)
- Salmeterol impurity 22 (CAS CATO-C4X-105022)
- Remdesivir Impurity 21 HCl (CAS 2096981-79-0)
- Valsartan Impurity 4 (Mixture of Diastereomers) (CAS 188259-69-0)
- 4-Bromo-3,5-diethoxybenzoic acid (CAS 363166-41-0)
- 4-(4-Cyclopropylpiperazin-1-yl)-6-methylpyrimidin-2-amine (CAS 1026721-45-8)
- 1-(Furan-2-yl)-2-(piperazin-1-yl)ethan-1-one dihydrochloride (CAS 1306604-95-4)
- 6-endo-3-benzyl-3-azabicyclo[3.1.1]heptan-6-ol (CAS 1245794-56-2)
- Neuropeptide Y (13-36) (porcine) (CAS 113662-54-7)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com