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Nafcillin sodium monohydrate (CL 8491) is the sodium salt form of nafcillin, a semi-synthetic naphthalene, penicillin-related Nafcillin inhibits bacterial wall synthesis by a mechanism of action similar to penicillin. Penicillinase-resistant Nafcillin is used to treat infections caused by penicillin-resistant strains of Staphylococci.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 50 mg | $30 | - | In Stock |
| Description | Nafcillin sodium monohydrate (CL 8491) is the sodium salt form of nafcillin, a semi-synthetic naphthalene, penicillin-related Nafcillin inhibits bacterial wall synthesis by a mechanism of action similar to penicillin. Penicillinase-resistant Nafcillin is used to treat infections caused by penicillin-resistant strains of Staphylococci. |
| Targets&IC50 | β-lactamase:33 mM(Kd) |
| In vivo | Nafcillin sodium inactivates beta-lactamase by forming a covalent acyl-enzyme intermediate with Ser-70. At concentrations greater than 80 mM, and exposure times less than 200 seconds, Nafcillin completely inhibits the activity of beta-lactamase. Upon removal of Nafcillin, the inhibited enzyme can be fully reactivated with a rate constant of 2×10^-3/s at 25°C. |
| Synonyms | CL 8491 |
| Molecular Weight | 454.47 |
| Formula | C21H21N2O5SNa·H2O |
| Cas No. | 7177-50-6 |
| Smiles | O.[Na+].CCOc1ccc2ccccc2c1ON[C@H]1[C@H]2SC(C)(C)[C@@H](N2C1=O)C([O-])=O |
| Relative Density. | 1.42 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 | Ethanol: 16 mg/mL (35.21 mM), Sonication is recommended. H2O: 83 mg/mL (182.63 mM), Sonication is recommended. DMSO: 84 mg/mL (184.83 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 3.3 mg/mL (7.26 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | ||||||||||||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||||||||||||
Ethanol/H2O/DMSO
H2O/DMSO
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