Cefradine EP Impurity B CAS 26774-88-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 26774-88-9 |
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefradine EP Impurity B (CAS 26774-88-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H11NO2. Molecular weight: 153.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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 Cefradine Standards
- Cefradine lmpurity 21 (CAS 20763-30-8)
- ent-Cefradine EP Impurity B (CAS 26108-29-2)
- 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
- Ilaprazole Impurity 40 (CAS 102625-96-7)
- Ilaprazole impurity 204 (CAS 1379034-97-5)
- Avanafil Impurity 81 (CAS 89702-89-6)
- Roxadustat Impurity 136 (CAS CATO-C4X-2213136)
- Methotrexate Impurity 64 (CAS 52980-66-2)
- 3-(3-Chlorophenyl)-5-(hydroxymethyl)oxazolidin-2-one (CAS 42902-30-7)
- 5,5'-Methylenebis(2-aminobenzoic acid) (CAS 7330-46-3)
- 2-((2-Chlorobenzyl)amino)-2-oxoethyl 5-methylthiophene-2-carboxylate (CAS 387855-28-9)
- 3-hydroxy-5-(trifluoromethoxy)benzoic acid (CAS 1163141-52-3)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
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