Clopidogrel EP Impurity E CAS 90055-68-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 90055-68-8 |
| Molecular Formula | C15H15ClN2OS |
| Molecular Weight | 306.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Clopidogrel EP Impurity E (CAS 90055-68-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H15ClN2OS. Molecular weight: 306.81 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H15ClN2OS |
| Molecular Weight | 306.81 g/mol |
| Purity | >95% |
| 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Clopidogrel Standards
- Clopidogrel Impurity 18 (CAS 444728-13-6)
- Clopidogrel EP Impurity E (R-Isomer) (CAS 444728-15-8)
- 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
- 1-Bromo-2-iodotetrafluoroethane (CAS 421-70-5)
- 3-Chloro-5-(thiophen-3-yl)-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2,4,6-tetraene (CAS 1155055-78-9)
- N-(4-Chlorophenyl)-6-(propylsulfanyl)pyridine-3-carboxamide (CAS 339031-18-4)
- Norfloxacin Impurity 36 (CAS CATO-C4X-146836)
- Sivelestat Impurity 27 (CAS CATO-C4X-212327)
- 2-((3-Bromobenzyl)oxy)isoindoline-1,3-dione (CAS 137107-28-9)
- Ulipristal Impurity 29 (CAS 1655514-78-5)
- (6-Bromo-2,3-dihydro-1H-inden-1-yl)methanamine (CAS 1188142-10-0)
- 2-Propyl-5,6,7,8-tetrahydrocyclohepta[d]imidazol-4(1H)-one (CAS 165951-91-7)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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