Aceclofenac Methyl Ester (Aceclofenac EP Impurity D) CAS 139272-66-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 139272-66-5 |
| Molecular Formula | C17H15Cl2NO4 |
| Molecular Weight | 368.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Aceclofenac Methyl Ester (Aceclofenac EP Impurity D) (CAS 139272-66-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C17H15Cl2NO4. Molecular weight: 368.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H15Cl2NO4 |
| Molecular Weight | 368.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Aceclofenac Standards
- Aceclofenac Impurity 12 (CAS CATO-C4X-153112)
- Aceclofenac Impurity 17 (CAS CATO-C4X-153117)
- Aceclofenac 13C2 D4 (CAS 1795019-63-4)
- Aceclofenac (CAS 89796-99-6)
- Aceclofenac Ethyl (EsterAceclofenac EP Impurity E) (CAS 139272-67-6)
- Aceclofenac Impurity 11 (CAS 2517857-21-3)
- Aceclofenac tert-Butyl Ester (CAS 139272-68-7)
- Aceclofenac EP Impurity G (CAS 1215709-75-3)
Recommended Standards
- n-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(2,4-dichlorophenoxy)propanamide (CAS 329694-16-8)
- Alectinib Impurity 75 (CAS CATO-C4X-283675)
- N-(3,4-dichlorophenyl)-4-(furan-2-carbonyl)piperazine-1-carboxamide (CAS 305337-17-1)
- Sevoflurane EP Impurity B (CAS 13171-18-1)
- Bortezomib Impurity 48（1R,2R） (CAS CATO-C4X-107248)
- Potassium trifluoro(2-fluorobiphenyl-4-yl)borate (CAS 850623-57-3)
- ethyl[1-(4-methylphenyl)butan-2-yl]amine (CAS 1182429-82-8)
- Benzyl 2,3,4,7-tetrahydro-1H-azepine-1-carboxylate (CAS 150989-62-1)
- 1-(4-Methylnaphthalen-1-yl)ethan-1-one (CAS 28418-86-2)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
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