Cefpirome Impurity 22 CAS CATO-C4X-120722
| CAS No. | CATO-C4X-120722 |
| Molecular Formula | C26H26N8O11S2 |
| Molecular Weight | 690.66 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Cefpirome Impurity 22 (C26H26N8O11S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 690.66 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Cefpirome Impurity 22 (CAS CATO-C4X-120722), a pharmacopoeial impurity reference standard (molecular formula C26H26N8O11S2, MW 690.66 g/mol) used for the identification and quantification of trace impurities in APIs.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Cefpirome Impurity 22 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 | C26H26N8O11S2 |
| Molecular Weight | 690.66 g/mol |
| Purity | ＞90% |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 2 |
Related Cefpirome Standards
- Cefpirome Impurity 19 (CAS CATO-C4X-120719)
- Cefpirome Impurity 20 (CAS CATO-C4X-120720)
- Cefpirome Impurity 21 (CAS CATO-C4X-120721)
- Cefpirome Impurity 6 (CAS CATO-C4X-12076)
- Cefpirome Impurity 24 (CAS CATO-C4X-120724)
- Cefpirome Impurity 29 (CAS CATO-C4X-120729)
- Cefpirome Impurity 34 (CAS CATO-C4X-120734)
- Cefpirome Impurity 35 (CAS CATO-C4X-120735)
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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