ent-Cefradine EP Impurity B CAS 26108-29-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 26108-29-2 |
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
ent-Cefradine EP Impurity B (CAS 26108-29-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H11NO2. Molecular weight: 153.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 1 |
Related ent Standards
- Cefradine EP Impurity B (CAS 26774-88-9)
- Cefradine lmpurity 21 (CAS 20763-30-8)
- Cefradine Impurity 25 (CAS CATO-C4X-121525)
- Cefradine Impurity 5 (CAS 1379292-16-6)
- Cefradine Impurity 28 (CAS 220275-58-1)
- Cefradine EP Impurity A/Cefadroxil EP Impurity B (CAS 22252-43-3)
- Cefradine Impurity 17 (CAS CATO-C4X-121517)
- Cefradine EP Impurity G(Cefalexin EP Impurity E/Cefadroxil EP Impurity H) (CAS 146794-70-9)
Recommended Standards
- Tirofiban Impurity 110 (CAS 69603-65-2)
- Omeprazole Impurity 30 (CAS 727375-13-5)
- Ilaprazole Impurity 40 (CAS 102625-96-7)
- Tofacitinib Impurity 56 (CAS 923036-30-0)
- Vonoprazan Impurity 131 (CAS 881674-01-7)
- 3-Amino-5-(2,3,4-trimethoxyphenyl)cyclohex-2-en-1-one (CAS 1428139-48-3)
- ((2R,3S,5R)-5-(6-Bromo-5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 189688-12-8)
- 4-(4-Aminophenoxy)pyridin-2(1H)-one (CAS 1041861-94-2)
- (5-Bromo-1-pentyl-1H-pyrrol-3-yl)(naphthalen-1-yl)methanone 5346AC 914458-53-0 C20H20BrNO (CAS 914458-53-0)
- Neuroendocrine Regulatory Peptide-1 (human) (H-6622.1000) (CAS 954420-50-9)
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