Cefradine Impurity 28 CAS 220275-58-1
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 220275-58-1 |
| Molecular Formula | C8H10N2O3S |
| Molecular Weight | 214.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefradine Impurity 28 (CAS 220275-58-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C8H10N2O3S. Molecular weight: 214.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H10N2O3S |
| Molecular Weight | 214.24 g/mol |
| Purity | ≥95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cefradine Standards
- Cefradine EP Impurity A/Cefadroxil EP Impurity B (CAS 22252-43-3)
- Cefradine Impurity 17 (CAS CATO-C4X-121517)
- Cefradine Impurity 5 (CAS 1379292-16-6)
- Cefradine Impurity 25 (CAS CATO-C4X-121525)
- Cefradine EP Impurity B (CAS 26774-88-9)
- Cefradine lmpurity 21 (CAS 20763-30-8)
- ent-Cefradine EP Impurity B (CAS 26108-29-2)
- Cefradine EP Impurity G(Cefalexin EP Impurity E/Cefadroxil EP Impurity H) (CAS 146794-70-9)
Recommended Standards
- Ethyl 2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carboxylate (CAS 53554-29-3)
- EtoricoxiB impurity 16 (CAS 90536-66-6)
- Cefaclor Impurity 11 (CAS 51795-31-4)
- Amlodipine Impurity 84 (CAS 906098-03-1)
- Hydrocortisone EP Impurity E (CAS 7753-60-8)
- 9-(2-Deoxy-β-D-ribofuranosyl)-6-methylpurine (CAS 16006-64-7)
- ethyl 3-bromo-5-fluoro-2-nitrobenzoate (CAS 1807262-95-8)
- 6-Bromo-3-chloro-5-fluoropicolinic acid (CAS 514798-17-5)
- 6,8-Difluoro-1-(2-fluoroethyl)-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 79660-71-2)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
Why CATO?
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