Cefpodoxime Impurity 56 CAS CATO-C4X-157956
| CAS No. | CATO-C4X-157956 |
| Molecular Formula | C17H20N4O7S2 |
| Molecular Weight | 456.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Cefpodoxime Impurity 56.
CATO supplies Cefpodoxime Impurity 56 (CAS CATO-C4X-157956), a pharmacopoeial impurity reference standard (molecular formula C17H20N4O7S2, MW 456.49 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C17H20N4O7S2, Cefpodoxime Impurity 56 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 456.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Cefpodoxime Impurity 56 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 | C17H20N4O7S2 |
| Molecular Weight | 456.49 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Cefpodoxime Standards
- Cefpodoxime Proxetil Impurity 42 (CAS CATO-C4X-157942)
- Cefpodoxime Proxetil Impurity 18 (CAS CATO-C4X-157918)
- Cefpodoxime Proxetil Impurity 39 (CAS CATO-C4X-157939)
- Cefpodoxime Proxetil Impurity 37 (CAS CATO-C4X-157937)
- Cefpodoxime-d3 Acid (CAS CATO-CCAD303848)
- Cefpodoxime sodium (CAS 82619-04-3)
- Cefpodoxime Proxetil EP Impurity A (CAS 80210-62-4)
- Cefpodoxime Proxetil Impurity 16 (CAS CATO-C4X-157916)
Recommended Standards
- Cefuroxime Impurity 88 (CAS CATO-C4X-124588)
- Minocycline EP Impurity E (CAS 864073-42-7)
- Eltrombopag Impurity 24 (CAS 1437383-35-1)
- Minocycline Impurity 14 (CAS CATO-C4X-169914)
- Fluocinolone Acetonide EP Impurity L (CAS 1893-65-8)
- Procaterol Impurity 21 (CAS CATO-C4X-181021)
- Clevidipine Impurity 34 (CAS CATO-C4X-101534)
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- Neuropeptide AF (human) (CAS 192387-38-5)
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