Cefepime Dihydrochloride Monohydrate EP Impurity E CAS 103296-32-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 103296-32-8 |
| Molecular Formula | C13H19N3O3S |
| Molecular Weight | 297.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefepime Dihydrochloride Monohydrate EP Impurity E (CAS 103296-32-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H19N3O3S. Molecular weight: 297.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H19N3O3S |
| Molecular Weight | 297.37 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefepime Standards
- Cefepime Impurity C08 (CAS 51813-38-8)
- Cefepime Impurity 5 (CAS 84994-24-1)
- Cefepime Dihydrochloride Monohydrate EP Impurity C (CAS CATO-C4X-135863)
- Cefepime EP Impurity D (CAS 65872-41-5)
- Cefepime Impurity 19 (CAS CATO-C4X-119319)
- Cefepime Impurity 42 (CAS CATO-C4X-119342)
- Cefepime Impurity 29 (CAS 110-56-5)
- Cefepime EP Impurity A (CAS 149261-27-8)
Recommended Standards
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- Clofazimine Impurity 4 (CAS CATO-C4X-20714)
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- 1-(3,4-Dichloro-2-hydroxyphenyl)ethan-1-one (CAS 55736-71-5)
- 1-(3-Bromophenyl)-3-(2-methoxyphenyl)propan-1-one (CAS 898769-85-2)
- (S)-3,3'-Di-tert-butyl-5,5',6,6',7,7',8,8'-octahydro-[1,1'-binaphthalene]-2,2'-diol (CAS 823176-34-7)
- 4-Chlorobenzylzinc chloride solution (CAS 149923-10-4)
- Semaglutide impurity 33 (CAS CATO-C4X-222633)
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