Cefalotin EP Impurity C/Cefoperazone EP Impurity E/Cefazolin EP Impurity H CAS 957-68-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 957-68-6 |
| Molecular Formula | C10H12N2O5S |
| Molecular Weight | 272.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cefalotin EP Impurity C/Cefoperazone EP Impurity E/Cefazolin EP Impurity H (CAS 957-68-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H12N2O5S. Molecular weight: 272.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H12N2O5S |
| Molecular Weight | 272.28 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cefalotin Standards
- Cefalotin EP Impurity A (CAS 34691-02-6)
- Cefalotin Impurity 9 (CAS CATO-C4X-12849)
- Cefalotin EP Impurity B (CAS 5935-65-9)
- Cefalotin Impurity 5 (CAS 3432-90-4)
- Cefalotin Impurity 7 (CAS CATO-C4X-12847)
- Cefalotin Impurity 6 (CAS 35565-06-1)
- Cefalotin Impurity 10 (CAS CATO-C4X-128410)
- Cefalotin EP Impurity B (Na) (CAS 5547-29-5)
Recommended Standards
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- Norepinephrine Impurity 10 (CAS 2948-16-5)
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- α-Methyl-3-(1-methylpropyl)-1H-1,2,4-triazole-5-methanamine (CAS 1343630-75-0)
- Tirzepatide(sodium salt) (CAS 2023788-19-2(free base))
Why CATO?
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