Clopidogrel Impurity 18 CAS 444728-13-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 444728-13-6 |
| Molecular Formula | C15H15ClN2OS |
| Molecular Weight | 306.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Clopidogrel Impurity 18 (CAS 444728-13-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C15H15ClN2OS. Molecular weight: 306.81 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C15H15ClN2OS |
| Molecular Weight | 306.81 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Clopidogrel Standards
- Clopidogrel EP Impurity E (R-Isomer) (CAS 444728-15-8)
- Clopidogrel EP Impurity E (CAS 90055-68-8)
- Clopidogrel Impurity 24 (CAS CATO-C4X-102924)
- Clopidogrel EP impurity A (CAS 144457-28-3)
- rac-Clopidogrel EP Impurity A (CAS 90055-55-3)
- (R)-Clopidogrel Carboxylic Acid (CAS 324757-50-8)
- Clopidogrel Thienylthyl Impurity (CAS 141109-20-8)
- Clopidogrel Impurity 104 (CAS CATO-C4X-1029104)
Recommended Standards
- N-(4-Chlorophenyl)-6-(propylsulfanyl)pyridine-3-carboxamide (CAS 339031-18-4)
- N-(4-chlorophenyl)-6-(isopropylthio)nicotinamide (CAS 339011-55-1)
- N-(2-Chloro-4,6-dimethylphenyl)-2-(methylthio)nicotinamide (CAS 795291-65-5)
- Paliperidone Impurity 38 (CAS CATO-C4X-1724138)
- Repaglinide Impurity 20 (CAS CATO-C4X-118620)
- 2,2'-sulfinyldiacetic acid (CAS 33388-14-6)
- 2-(2-Bromo-5-(difluoromethyl)-6-methylpyridin-3-yl)acetonitrile (CAS 1806913-52-9)
- 3,4-Dihydro-2H-benzo[b][1,4]oxazine-2,7-dicarboxylic acid (CAS 1421311-66-1)
- 2-(3-Fluoro-4-methoxyphenyl)cyclopropane-1-carboxylic acid (CAS 1267497-03-9)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
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