Cefoperazone EP Impurity C (Potassium salt) CAS 62557-28-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 62557-28-2 |
| Molecular Formula | C2H3N4S K |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefoperazone EP Impurity C (Potassium salt) (CAS 62557-28-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C2H3N4S K. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C2H3N4S K |
| Molecular Weight | 154.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Cefoperazone Standards
- Cefoperazone Dihydrate (CAS 113826-44-1)
- Cefoperazone Impurity N9 (CAS 1204325-21-2)
- Cefoperazone EP Impurity B (Sodium salt) (CAS 127923-94-8)
- Cefoperazone EP Impurity F (CAS 1315481-36-7)
- Cefoperazone Impurity N8 (CAS 1416704-15-8)
- Cefoperazone Impurity 8 (CAS 1476-46-6)
- Cefoperazone Impurity 45 (CAS 16681-77-9)
- Cefoperazone-d5 (CAS 2410425-70-4)
Recommended Standards
- Rosuvastatin Impurity 242 (CAS CATO-C4X-1169242)
- Dexamethasone Impurity 113 (CAS CATO-C4X-1165113)
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- (R)-1-(3-fluoro-4-methoxyphenyl)butan-1-amine (CAS 1213964-50-1)
- Sodium tetradec-2-ene-1-sulfonate (CAS 13513-45-6)
- (R)-9-Anthracenyl[3-(morpholine-4-carbonyl)-[1,4’-bipiperidin]-1’-yl]methanone4-carbonyl)-[1,4’-bipiperidin]-1’-yl)methanone (CAS 591778-68-6)
- endo-Gly31-Semaglutide (CAS CATO-C4X-2226282)
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