Arbidol Impurity 55 CAS CATO-C4X-112955
| CAS No. | CATO-C4X-112955 |
| Molecular Formula | C14H16BrNO4 |
| Molecular Weight | 342.19 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
As a process- or degradation-related impurity, Arbidol Impurity 55 (CAS CATO-C4X-112955, C14H16BrNO4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, Arbidol Impurity 55 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Physical & Chemical Properties
| Molecular Formula | C14H16BrNO4 |
| Molecular Weight | 342.19 g/mol |
| Appearance | Off-white to pale 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Arbidol Standards
- Arbidol Impurity 39 (CAS CATO-C4X-112939)
- Arbidol Impurity 17 (CAS CATO-C4X-112917)
- Arbidol Impurity 14 (CAS CATO-C4X-112914)
- Arbidol Impurity 43 (CAS 40945-69-5)
- Arbidol Impurity 40 (CAS 1106670-97-6)
- Arbidol Impurity 82 (CAS 10588-31-5)
- Arbidol Impurity 29 (CAS CATO-C4X-112929)
- Arbidol Impurity 15 (CAS CATO-C4X-112915)
Recommended Standards
- 2-(4-Bromo-phenyl)-quinoline-4-carboxylic acid hydrazide 2-(4-bromo-phenyl)-quinoline-4-carboxylic acidhydrazide 2-(4-bromophenyl)quinoline-4-carbohydrazide 2-(4-bromophenyl)quinoline-4-carboxylic acid hydrazide 2-(4-bromophenyl)quinoline-4-carboxylic acidhydrazide 351899-02-0 (CAS 351899-02-0)
- 3-Methoxy-6-(4-methoxyphenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazine (CAS 1015481-19-2)
- tert-Butyl (6-bromo-2-oxo-1,2,3,4-tetrahydro-1,5-naphthyridin-3-yl)carbamate (CAS 2766577-95-9)
- 3-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-ylmethyl]-benzoic acid methyl ester (CAS 1404431-51-1)
- rac-Atomoxetine EP Impurity C (CAS 56161-78-5)
- Roflumilast impurity 25 (CAS 1243391-44-7)
- Benzbromarone Impurity 30 (CAS CATO-C4X-225030)
- (R)-tert-butyl 3-(hydroxymethyl)morpholine-4-carboxylate (CAS 215917-99-0)
- 6,8-Dimethyl-1H-purin-2(3H)-one (CAS 871902-86-2)
- 1-Cyclopropyl-4-phenoxybenzene (CAS 77197-92-3)
- 6-Bromo-7-methyl-4-azabenzimidazole (CAS 91996-63-3)
- Spironolactone-d7(Major) (CAS CATO-CCAD302541)
- 4-Benzyl-3-(5-chloro-2-isopropylpent-4-enoyl)oxazolidin-2-one (CAS 324519-70-2)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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