Cefazolin Impurity 79 CAS CATO-C4X-157779
| CAS No. | CATO-C4X-157779 |
| Molecular Formula | C24H24N10O8S4 |
| Molecular Weight | 708.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Cefazolin Impurity 79 (CAS CATO-C4X-157779) is a certified pharmaceutical impurity reference standard with the molecular formula C24H24N10O8S4 and a molecular weight of 708.77 g/mol.
The molecular framework of Cefazolin Impurity 79 (C24H24N10O8S4) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 Cefazolin Impurity 79 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 | C24H24N10O8S4 |
| Molecular Weight | 708.77 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 | 10 |
| Sulfur Atoms | 4 |
Related Cefazolin Standards
- Cefazolin Impurity 78 (CAS CATO-C4X-157778)
- Cefazolin Impurity 80 (CAS CATO-C4X-157780)
- Cefazolin Impurity 32 (CAS CATO-C4X-157732)
- Cefazolin Impurity 33 (CAS CATO-C4X-157733)
- Cefazolin Impurity 34 (CAS CATO-C4X-157734)
- Cefazolin Impurity 59 (CAS CATO-C4X-157759)
- Cefazolin Impurity 68 (CAS CATO-C4X-157768)
- Cefazolin Impurity 77 (CAS CATO-C4X-157777)
Recommended Standards
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- Micronomicin Sulfate (CAS CATO-C4X-23861)
- Cefadroxil Impurity 10 (CAS 2378158-45-1)
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- Dienogest Impurity 20 (CAS 34686-78-9)
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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