Cefuroxime Axetil Impurity 5 CAS 136235-54-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 136235-54-6 |
| Molecular Formula | C20H22N4O11S |
| Molecular Weight | 526.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefuroxime Axetil Impurity 5 (CAS 136235-54-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H22N4O11S. Molecular weight: 526.47 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H22N4O11S |
| Molecular Weight | 526.47 g/mol |
| Purity | 97%+ |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Cefuroxime Standards
- Cefuroxime Axetil Impurity 13 (CAS CATO-C4X-143613)
- Cefuroxime Impurity 84 (CAS CATO-C4X-124584)
- Cefuroxime Axetil Impurity 11 (CAS CATO-C4X-143611)
- Cefuroxime Axetil Impurity 12 (CAS CATO-C4X-143612)
- Cefuroxime Impurity 71 (CAS CATO-C4X-124571)
- Cefuroxime Impurity 69 (CAS CATO-C4X-124569)
- Cefuroxime Impurity 90 (CAS CATO-C4X-124590)
- Cefuroxime Impurity 94 (CAS CATO-C4X-124594)
Recommended Standards
- N2-[5-[1-(3,4-Dichlorophenyl)-5-(4-fluorophenyl)-1H-pyrazol-3-yl]-2-pyridinyl]-N1,N1-bis(1-methylethyl)-1,2-ethanediamine (CAS 1266401-13-1)
- 2-((5-(3-Bromophenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-1,2-diphenylethanone (CAS 307325-56-0)
- 2-((5-(4-(tert-Butyl)phenyl)-4-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)-1-(3,4-dichlorophenyl)ethanone (CAS 578752-11-1)
- Gefitinib Impurity 11 (CAS 367-21-5)
- Nafcillin Impurity 2 (CAS CATO-C4X-33382)
- 3-sec-Amylphenyl N-Methylcarbamate (CAS 2282-34-0)
- (E)-Methoxy[1-(4-methoxyphenyl)-2-(4-methylbenzenesulfonyl)ethylidene]amine (CAS 338400-80-9)
- (S)-3-((Tert-butoxycarbonyl)amino)-3-(thiophen-3-yl)propanoic acid (CAS 500770-67-2)
- 2,2'-((4-Methyl-1,2-phenylene)bis(oxy))diacetic acid (CAS 5458-76-4)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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