Cefepime EP Impurity E(HCl) CAS 103121-85-3
| CAS No. | 103121-85-3 |
| Molecular Formula | C13H20N3O3S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Cefepime EP Impurity E(HCl) 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.
Cefepime EP Impurity E(HCl) (CAS 103121-85-3) is a certified pharmaceutical impurity reference standard with the molecular formula C13H20N3O3SHClCl and a molecular weight of 370.29 g/mol.
The molecular framework of Cefepime EP Impurity E(HCl) (C13H20N3O3SHClCl) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C13H20N3O3S HCl Cl |
| Molecular Weight | 370.29 g/mol |
| Purity | >90% |
| Storage | Store at 2-8°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefepime Standards
- Cefepime Dihydrochloride Monohydrate EP Impurity E (CAS 103296-32-8)
- Cefepime EP Impurity C (CAS 104301-63-5)
- Cefepime Impurity 29 (CAS 110-56-5)
- Cefepime EP Impurity E (CAS 110026-16-9)
- Cefepime EP Impurity D Potassium Salt (CAS 112097-97-9)
- Cefepime Impurity 20 (CAS 112533-07-0)
- Cefepime Impurity C56 (CAS 113703-50-7)
- Cefepime Impurity 1 (CAS 120-94-5)
Recommended Standards
- Fluconazole EP Impurity G Mesylate (CAS 86386-77-8)
- Indapamide Impurity 36 (CAS CATO-C4X-140036)
- Esmolol Impurity 62 (CAS CATO-C4X-189162)
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- 2-(2-(2-Isopropyl-1H-imidazol-1-yl)ethyl)piperidine (CAS 1247602-76-1)
- 1-(4-Aminobenzenesulfonyl)piperidine-3-carboxylic acid (CAS 606097-80-7)
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- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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