Hydroxychloroquine EP Impurity E CAS 10500-64-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 10500-64-8 |
| Molecular Formula | C14H17ClN2O |
| Molecular Weight | 264.75 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hydroxychloroquine EP Impurity E (CAS 10500-64-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H17ClN2O. Molecular weight: 264.75 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H17ClN2O |
| Molecular Weight | 264.75 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Hydroxychloroquine Standards
- Hydroxychloroquine Impurity 75 (CAS 100713-49-3)
- Hydroxychloroquine RC 2 (CAS 860715-45-3)
- Hydroxychloroquine impurity 84 (CAS CATO-C4X-183584)
- Hydroxychloroquine Impurity 70 (CAS 56881-09-5)
- Hydroxychloroquine Impurity 28 (CAS CATO-C4X-183528)
- Hydroxychloroquine impurity 62 (CAS CATO-C4X-183562)
- Hydroxychloroquine impurity 83 (CAS CATO-C4X-183583)
- Hydroxychloroquine EP Impurity F (CAS 6281-58-9)
Recommended Standards
- Loxoprofen Impurity 56 (CAS 200554-09-2)
- Hexachloroacetone (CAS 116-16-5)
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- Cinitapride Impurity 15 (CAS CATO-C4X-290815)
- Rabeprazole impurity 46 (CAS CATO-C4X-112146)
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- 157124-41-9 4-(5-Methyl-1H-tetrazol-1-yl)phenol 4943AD C8H8N4O (CAS 157124-41-9)
- 5-Methyl-1,3,4-thiadiazole-2-sulfonyl chloride (CAS 184222-90-0)
- 4-(4-Cyano-5-(trifluoromethyl)-1H-pyrazol-1-yl)benzoic acid (CAS 956742-33-9)
- Q-Peptide trifluoroacetate salt (CAS 1361235-89-3)
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