SKU: C038  / 
    CAS Number: 7081-44-9

    Cloxacillin Sodium

    $54.00 - $220.00

    Cloxacillin Sodium is a narrow-spectrum β-lactam antibiotic of the penicillin class. Cloxacillin Sodium is sparingly soluble in aqueous solution.

    Spectrum Cloxacillin targets primarily Gram-positive bacteria, especially β-lactamase producing Staphylococci.
    Microbiology Applications

    Cloxacillin is commonly used in clinical in vitro microbiological antimicrobial susceptibility tests (panels, discs, and MIC strips) against Gram-positive microbial isolates.  Medical microbiologists use AST results to recommend antibiotic treatment options.  Representative MIC values include:

    Staphylococcus aureus 0.2 µg/mL – 3.13 µg/mL

    For a representative list of Cloxicillin MIC values, click here.
    Molecular Formula

    C19H17ClN3NaO5S · H2O


    Guzmán F (2008)  Beta-Lactams antibiotics (penicillins and Cephalosporins) Mechanism of Action.” Medical Pharmacology

    Pitout JD, Sanders CC, Sanders WE Jr (1997)  Antimicrobial resistance with focus on beta-lactam resistance in Gram-negative bacilli. Am. J. Med 103:51


    Diplococcus pneumoniae| 0.005 - 0.4 || Haemophilus influenzae| 12.5 - 50 ||