Niclosamide Impurity 5 CAS 32853-24-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 32853-24-0 |
| Molecular Formula | C13H9ClN2O4 |
| Molecular Weight | 292.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Niclosamide Impurity 5 (CAS 32853-24-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H9ClN2O4. Molecular weight: 292.67 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H9ClN2O4 |
| Molecular Weight | 292.67 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, keep tightly closed to prevent evaporation |
| 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; 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.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Niclosamide Standards
- Niclosamide Impurity 3 (CAS 4638-49-7)
- Niclosamide Impurity 2 (CAS 16739-20-1)
- Niclosamide (CAS 50-65-7)
- 13C6-Niclosamide hydrate (CAS 1325559-12-3)
- Niclosamide-13C6 (CAS 1325808-64-7)
- Niclosamide Impurity 4 (CAS 16739-21-2)
- Niclosamide Monohydrate (CAS 73360-56-2)
- Niclosamide Piperazine Salt (CAS 34892-17-6)
Recommended Standards
- 1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)piperidin-4-one (CAS 1057282-45-7)
- Olanzapine Impurity 21 (CAS 60091-87-4)
- 1-[3-Chloro-5-(trifluoromethyl)phenyl]cyclopentanecarboxylic Acid (CAS 1894462-30-6)
- Cilastatin Impurity 34 (CAS CATO-C4X-196034)
- Irbesartan impurity 37 (CAS 1415462-83-7)
- N,N,N',N',N'',N'',N''',N'''-octamethylsilanetetraamine (CAS 1624-01-7)
- 3-(2-Aminoethyl)-5-methoxyindolin-2-one hydrochloride (CAS 156632-46-1)
- (5-(2,4-dichlorophenyl)-1H-imidazol-2-yl)methanamine (CAS 1156709-87-3)
- Teprenone Impurity 30 (CAS CATO-C4X-208130)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
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