Diclofenac sodium impurity 65 CAS 220991-19-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 220991-19-5 |
| Molecular Formula | C15H12Cl2NO2 Na |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Diclofenac sodium impurity 65 (CAS 220991-19-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H12Cl2NO2 Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H12Cl2NO2 Na |
| Molecular Weight | 332.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- N-(4-chlorophenyl)-2-(1-methyl-1H-pyrrol-2-yl)-2-oxoacetamide (CAS 477871-94-6)
- (Gly1,Ser3·22,Gln?·3?,Thr?,Arg1?,Tyr21,Ala23·31,Aib32)-Pancreatic Polypeptide (human) (CAS 313988-89-5)
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