Quinapril ethyl ester maleic acid salt CAS 103733-36-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 103733-36-4 |
| Molecular Formula | C27H34N2O5 C4H4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Quinapril ethyl ester maleic acid salt (CAS 103733-36-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C27H34N2O5 C4H4O4. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C27H34N2O5 C4H4O4 |
| Molecular Weight | 582.65 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Quinapril Standards
- Quinapril Bicyclic Acid Benzyl Ester (CAS 103733-30-8)
- Quinapril ethyl ester (CAS 103733-35-3)
- Quinapril EP Impurity D (CAS 103733-49-9)
- Quinapril EP Impurity I (CAS 103775-09-3)
- Quinapril EP Impurity G (CAS 103833-16-5)
- Quinapril EP Impurity C-d5 (CAS 1279034-23-9)
- Quinapril EP Impurity E (CAS 2055735-09-4)
- Quinapril EP Impurity A (CAS 74163-81-8)
Recommended Standards
- 1-(4-Phenyl-1,3-thiazol-2-yl)ethan-1-one (CAS 58351-05-6)
- 2-{[5-(2-methylphenoxymethyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 131142-10-4)
- 2,4-Dimethylfuro[3,2-c]quinoline-8-carboxylic acid (CAS 134204-97-0)
- 5-Amino-3-methylthiophene-2,4-dicarbonitrile (CAS 52603-48-2)
- Methyl 5-Bromo-3-(trifluoromethyl)pyridine-2-carboxylate (CAS 1214328-84-3)
- 3-Methyl-1-tosyl-1H-pyrazole (CAS 6126-11-0)
- Peptide Impurity 82 (CAS 10491-78-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com