Cefpodoxime Proxetil Impurity 5 CAS 82619-01-0
| CAS No. | 82619-01-0 |
| Molecular Formula | C20H25N5O9S2 |
| Molecular Weight | 543.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Cefpodoxime Proxetil Impurity 5 (CAS 82619-01-0) is a high-purity analytical reference standard with the molecular formula C20H25N5O9S2 and a molecular weight of 543.57 g/mol.
Cefpodoxime Proxetil Impurity 5 (C20H25N5O9S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Cefpodoxime Proxetil Impurity 5 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H25N5O9S2 |
| Molecular Weight | 543.57 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.) | 1980 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related Cefpodoxime Standards
- Cefpodoxime Proxetil Impurity 22 (CAS CATO-C4X-157922)
- Cefpodoxime Impurity 49 (CAS CATO-C4X-157949)
- Cefpodoxime Proxetil (CAS 87239-81-4)
- Cefpodoxime Proxetil EP Impurity C (CAS 339528-86-8)
- Cefpodoxime Proxetil EP Impurity D (CAS 947692-13-9)
- Cefpodoxime Proxetil EP Impurity C (CAS CATO-C4X-157944)
- Cefpodoxime Proxetil EP Impurity D (CAS CATO-C4X-157945)
- Cefpodoxime Proxetil EP Impurity B (CAS 947692-14-0)
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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 18665070610 / Nicole.chen@cato-chem.com