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Ceftobiprole (Ro 63-9141) is a β-lactam antibacterial agent that exhibits potent bactericidal activity by binding to PBPs, inhibiting transpeptidation and formation of bacterial cell walls, leading to cell lysis and death, with a MIC90 value of 2 μg/mL against methicillin-resistant Staphylococcus aureus.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $133 | In Stock | |
| 5 mg | $297 | In Stock | |
| 10 mg | $459 | In Stock | |
| 25 mg | $742 | In Stock | |
| 50 mg | $987 | In Stock |
| Description | Ceftobiprole (Ro 63-9141) is a β-lactam antibacterial agent that exhibits potent bactericidal activity by binding to PBPs, inhibiting transpeptidation and formation of bacterial cell walls, leading to cell lysis and death, with a MIC90 value of 2 μg/mL against methicillin-resistant Staphylococcus aureus. |
| Targets&IC50 | MRSA:2 μg/mL (MIC90) |
| In vitro | Ceftobiprole (Ro 63-9141) has demonstrated activity against clinically important Gram-positive bacteria, including penicillin-resistant Streptococcus pneumoniae (PRSP), methicillin-resistant Staphylococcus aureus (MRSA), and Enterobacter faecalis with MIC90 values of 0.25, 2, and 2 mcg/mL, respectively; ceftobiprole has also shown in vitro activity against several clinical isolates of community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA), vancomycin-intermediate Staphylococcus aureus (VISA), and vancomycin-resistant Staphylococcus aureus (VRSA) with a minimum inhibitory concentration (MIC) of 2 mcg/mL. |
| Synonyms | Ro 63-9141, BAL 9141 |
| Molecular Weight | 534.57 |
| Formula | C20H22N8O6S2 |
| Cas No. | 209467-52-7 |
| Smiles | [H][C@]12SCC(\C=C3/CCN([C@@H]4CCNC4)C3=O)=C(N1C(=O)[C@H]2NC(=O)C(=N/O)\c1nsc(N)n1)C(O)=O |
| Relative Density. | 2 g/cm3 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | DMSO: < 1 mg/mL (insoluble or slightly soluble), Sonication is recommended. |

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