rac-Clopidogrel EP Impurity A CAS 90055-55-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 90055-55-3 |
| Molecular Formula | C15H14ClNO2S |
| Molecular Weight | 307.80 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
rac-Clopidogrel EP Impurity A (CAS 90055-55-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H14ClNO2S. Molecular weight: 307.80 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H14ClNO2S |
| Molecular Weight | 307.80 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related rac Standards
- Clopidogrel EP impurity A (CAS 144457-28-3)
- (R)-Clopidogrel Carboxylic Acid (CAS 324757-50-8)
- Clopidogrel Impurity 18 (CAS 444728-13-6)
- 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 Thienylthyl Impurity (CAS 141109-20-8)
- Clopidogrel Impurity 104 (CAS CATO-C4X-1029104)
Recommended Standards
- Prothioconazole impurity N1 (CAS 708263-86-9)
- Etizolam Impurity 15 (CAS 51687-58-2)
- Telluroxanthone (CAS 72294-67-8)
- Fluralaner Impurity 63 (CAS 3027861-23-7)
- Perindopril Impurity 36 (CAS 145513-48-0)
- (E)-1-butyl-2-((4-nitrobenzylidene)amino)-4,5-diphenyl-1H-pyrrole-3-carbonitrile (CAS 477887-46-0)
- (4-Morpholinopyrimidin-2-yl)methanamine hydrochloride (CAS 1196145-95-5)
- 6-Chloro-3-methoxypyridin-2-amine (CAS 175965-93-2)
- 898777-51-0 Ethyl 5-(3-nitrophenyl)-5-oxopentanoate DTXSID30645721 (CAS 898777-51-0)
- Semaglutide Impurity 188 (CAS CATO-C4X-2226188)
Why CATO?
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