Cefixime EP Impurity E CAS 72701-01-0
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 72701-01-0 |
| Molecular Formula | C15H15N5O7S2 |
| Molecular Weight | 441.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Cefixime EP Impurity E (CAS 72701-01-0) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C15H15N5O7S2. Molecular weight: 441.44 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C15H15N5O7S2 |
| Molecular Weight | 441.44 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related Cefixime Standards
- Cefixime Impurity 73 (CAS CATO-C4X-113973)
- Cefixime Side Chain Acid Active Ester (CAS 89605-09-4)
- Cefixime Impurity 41 (CAS CATO-C4X-113941)
- Cefixime Impurity 42 (CAS CATO-C4X-113942)
- Cefixime Impurity 27 (CAS 29126-11-2)
- Cefixime (CAS 79350-37-1)
- Cefixime Impurity 14 (CAS CATO-C4X-113914)
- Cefixime Impurity 15 (CAS CATO-C4X-113915)
Recommended Standards
- N-(9-((2R,3R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-3-(((S)-tetrahydrofuran-2-yl)oxy)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide (CAS 87872-85-3)
- Cariprazine Ethyl Methyl Impurity (CAS 839712-23-1)
- N-(9-((2R,3R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-3-(((R)-tetrahydrofuran-2-yl)oxy)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide (CAS 87865-88-1)
- Fluticasone Impurity 65 (CAS 74131-81-0)
- Alanyl Glutamine Impurity 7 (CAS CATO-C4X-19747)
- 2-(6-(2-Hydroxy-2-phenylethyl)-1-methylpiperidin-2-yl)-1-phenylethanone sulfate (CAS 1354784-35-2)
- 2-(3-Hydroxypiperidin-1-yl)-N-(5-methylisoxazol-3-yl)acetamide (CAS 1211303-08-0)
- 6-Hydroxy-N-(m-tolyl)nicotinamide (CAS 565175-25-9)
- N-(3,4-Dichlorophenyl)-N-(methylsulfonyl)glycine (CAS 431979-36-1)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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 13829788188 / jacky.chen@cato-chem.com