Cefaclor EP Impurity E CAS 188915-50-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 188915-50-6 |
| Molecular Formula | C14H14ClN3O4S |
| Molecular Weight | 355.80 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefaclor EP Impurity E (CAS 188915-50-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C14H14ClN3O4S. Molecular weight: 355.80 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H14ClN3O4S |
| Molecular Weight | 355.80 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefaclor Standards
- Cefaclor Impurity 19 (CAS CATO-C4X-127019)
- Cefaclor Impurity 38 (CAS CATO-C4X-127038)
- Cefaclor Impurity 60 (CAS CATO-C4X-127060)
- Cefaclor Impurity 66 (CAS CATO-C4X-127066)
- Cefaclor Impurity 48 (CAS CATO-C4X-127048)
- Cefaclor Impurity 21 (CAS CATO-C4X-127021)
- Cefaclor EP Impurity G-Isomer 1 (CAS 67308-21-8)
- Cefaclor Impurity 64 (CAS CATO-C4X-127064)
Recommended Standards
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- Voglibose Impurity 15 (CAS 1303996-67-9)
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- Tirzepatide Impurity 1 (CAS 2460751-66-8)
Why CATO?
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