Cefazolin EP Impurity I（Cefazolin USP RC L） CAS 1675244-99-1
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 1675244-99-1 |
| Molecular Formula | C14H16N8O5S3 |
| Molecular Weight | 472.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefazolin EP Impurity I（Cefazolin USP RC L） (CAS 1675244-99-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H16N8O5S3. Molecular weight: 472.52 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H16N8O5S3 |
| Molecular Weight | 472.52 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.) | 1993 |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 3 |
Related Cefazolin Standards
- Cefazolin Impurity 12 (CAS CATO-C4X-157712)
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- Cefazolin Impurity 22 (CAS CATO-C4X-157722)
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Why CATO?
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