Cefepime EP Impurity A CAS 149261-27-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 149261-27-8 |
| Molecular Formula | C19H24N6O5S2 |
| Molecular Weight | 480.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Cefepime EP Impurity A (CAS 149261-27-8) pharmacopoeial impurity standards reference standard. Molecular formula: C19H24N6O5S2. Molecular weight: 480.56 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H24N6O5S2 |
| Molecular Weight | 480.56 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
Related Cefepime Standards
- Cefepime Impurity 10 (CAS 88040-25-9)
- Cefepime (CAS 88040-23-7)
- Cefepime EP Impurity A (CAS 97164-57-3)
- Cefepime Impurity 12 (CAS 2416213-67-5)
- Cefepime impurity 37 (CAS CATO-C4X-119337)
- Cefepime Oxide Impurity (CAS CATO-C4X-11938)
- Cefepime Impurity 17 (CAS CATO-C4X-119317)
- Cefepime Impurity 14 (CAS CATO-C4X-119314)
Recommended Standards
- n,n'-(Ethane-1,2-diyl)bis(1-phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxamide) (CAS 1427380-16-2)
- [(1R,2R)-1,2-Cyclohexanediylbis(methylene)]bis[diphenylphosphine] (CAS 70774-28-6)
- 2-(1H-benzo[d][1,2,3]triazol-1-yl)-2-(9H-carbazol-9-yl)-1,1-diphenylethan-1-ol (CAS 132724-62-0)
- Sulindac Impurity 10 (CAS CATO-C4X-293010)
- Calcipotriol Impurity 13 (CAS 112849-47-5)
- Epalrestat Impurity 3 (CAS 794510-29-5)
- Timolol EP Impurity A Maleate (CAS 26839-77-0)
- 4-Chloro-2-(4-fluorophenyl)quinazoline (CAS 113242-33-4)
- Elobixibat Impurity 5 (CAS CATO-C4X-28385)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
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