Eszopiclone EP Impurity A CAS 151851-70-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 151851-70-6 |
| Molecular Formula | C17H17ClN6O4 |
| Molecular Weight | 404.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Eszopiclone EP Impurity A (CAS 151851-70-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C17H17ClN6O4. Molecular weight: 404.81 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H17ClN6O4 |
| Molecular Weight | 404.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related Eszopiclone Standards
- Eszopiclone-d8 (CAS 1093385-24-0)
- Eszopiclone Impurity 21 (CAS CATO-C4X-123821)
- Eszopiclone (S-Zopiclone) (CAS 138729-47-2)
- Eszopiclone Impurity 25 (CAS 43200-88-0)
- Eszopiclone impurity 26 (CAS 151776-26-0)
- Eszopiclone Impurity 7 (CAS 43200-83-5)
- Eszopiclone Impurity 6 (CAS 1122549-43-2)
- Eszopiclone Impurity 23 (CAS 43200-82-4)
Recommended Standards
- 1-(4-Chlorophenyl)-3-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)urea (CAS 922713-75-5)
- Zopiclone EP Impurity A (CAS 43200-96-0)
- 2-[4-(4-Chlorophenyl)-2-methyl-3-oxo-1,2,4-oxadiazolidin-5-yl]-N-(2-methyl-4-nitrophenyl)acetamide (CAS 478077-80-4)
- Boceprevir Impurity 10 (CAS CATO-C4X-252510)
- Probucol Impurity 18 (CAS CATO-C4X-292018)
- Methyl (3R)-3-hydroxydodecanoate (CAS 76835-66-0)
- 6-Cyclopropyl-2-((3-fluorobenzyl)thio)-4-(trifluoromethyl)nicotinonitrile (CAS 625377-21-1)
- 1-Ethyl-2-methyl-6-(trifluoromethyl)quinolin-4(1H)-one (CAS 1209277-82-6)
- 3-bromo-1-(propan-2-yl)-1H,4H,5H,7H-pyrano[3,4-c]pyrazole (CAS 1780698-07-8)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com