Propafenone EP Impurity E CAS 165279-79-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 165279-79-8 |
| Molecular Formula | C18H19ClO3 |
| Molecular Weight | 318.79 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Propafenone EP Impurity E (CAS 165279-79-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H19ClO3. Molecular weight: 318.79 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H19ClO3 |
| Molecular Weight | 318.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | Cl-containing |
Related Propafenone Standards
- Propafenone Impurity 39 (CAS CATO-C4X-132239)
- Propafenone Impurity 40 (CAS CATO-C4X-132240)
- Propafenone EP Impurity D (CAS 91401-73-9)
- (R)-Propafenone (CAS 107381-31-7)
- (S)-Propafenone (CAS 107381-32-8)
- (R)-Propafenone HCl (CAS 107381-35-1)
- (S)-Propafenone HCl (CAS 107381-36-2)
- Propafenone (CAS 54063-53-5)
Recommended Standards
- tert-Butyl 4-(benzyloxy)-3-chlorobenzoate (CAS 2379322-84-4)
- (6-Chloro-[1,3]dioxolo[4,5-g]quinolin-7-ylmethyl)-cyclopentylmethyl-amine (CAS 1000347-99-8)
- 3,4,5-Tribromo-1-methyl-pyrazole (CAS 57389-75-0)
- Salcaprozate Impurity 10 (CAS CATO-C4X-250710)
- Brivudine impurity 7 (CAS CATO-C4X-27587)
- 1-(Quinoxalin-2-yl)propan-2-one (CAS 16310-39-7)
- 4,4,4-Trifluoro-2-butynoic Acid Methyl Ester (CAS 70577-95-6)
- 1-(2-{5,7-dimethylpyrazolo[1,5-a]pyrimidin-2-yl}thiophen-3-yl)-2,5-dimethyl-1H-pyrrole (CAS 672949-41-6)
- GM1-Pentasaccharide (CAS 52659-37-7)
- D-[Ser]8-Liraglutide (CAS CATO-C4X-199238)
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