Selective Agents

Fosfomycin Sodium

Fosfomycin Sodium is broad-spectrum phosphoenolpyruvate analog antibiotic.  It has a chemically unique structure unlike any other antibacterial agent.  Fosfomycin has been found to have an immunomodulatory effect on human B-cell activation...

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Fusidic acid sodium

Fusidic acid is a bacteriostatic steroid antibiotic which targets protein synthesis in Gram-positive bacteria. Fusidic acid sodium is highly soluble in water (50 mg/mL).Mechanism of ActionFusidic acid inhibits protein synthesis by preventing...

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Irgasan (Triclosan)

Irgasan (Triclosan) is a broad spectrum antibacterial agent that inhibits bacterial fatty acid synthesis.   Irgasan is slightly soluble in water and freely soluble in ethanol and methanol. Mechanism of Action Irgasan demonstrates a...

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Kanamycin Acid Sulfate, BP

Kanamycin is an aminoglycoside antibiotic often used to select for bacteria which have been successfully transformed with a plasmid conferring kanamycin resistance. Kanamycin is very soluble in aqueous solution at 92.3 mg/mL. Standard grade Kanamycin is...

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Kanamycin Sulfate, USP

Kanamycin Sulfate, USP is the sulfate salt of Kanamycin, a semi-synthetic, broad-spectrum aminoglycoside antibiotic.  Kanamycin was isolated from the soil bacterium Streptomyces kanamyceticus in 1957 by Hamao Umezawa at the institute of Microbial...

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Lincomycin

Lincomycin is a lincosamide first isolated from Streptomyces licolnensis by researchers at Upjohn in 1962. This class of antibacterial contains a rare amino acid (4-propyl-N-methylprolin) coupled to an equally rare aminomethylthio-octopyranoside sugar...

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Lincomycin Hydrochloride, EP

Lincomycin Hydrochloride, EP is the hydrochloride form of Lincomycin, provided as the monohydrate. Lincomycin is a naturally occurring lincosamide isolated from Streptomyces licolnensis by researchers at Upjohn in 1962. This class of antibacterial...

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Lincomycin Hydrochloride, USP

Lincomycin Hydrochloride is the hydrochloride form of Lincomycin, provided as the monohydrate. Lincomycin is a naturally occurring lincosamide isolated from Streptomyces licolnensis by researchers at Upjohn in 1962. This class of antibacterial contains a...

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Methicillin Sodium

Methicillin Sodium is a narrow spectrum β-lactam antibiotic in the penicillin family and is commonly used as a selective agent in pathogen isolation media, and in antimicrobial susceptibility testing. It is freely soluble in water. Mechanism of...

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Nalidixic Acid

Nalidixic acid is a naphthyridone antibiotic similar in structure and mechanism to quinolones. TOKU-E offers two forms of nalidixic acid: nalidixic acid (N011) and nalidixic acid sodium salt, CulturePure® (N001). Nalidixic acid is...

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Natamycin

Natamycin is a natural small molecule.  It is an antifungal polyene macrolide that binds to ergosterol and blocks fungal growth, without changing the permeability of the plasma membrane. It was isolated in 1955 from fermentation broth of...

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Norfloxacin

Norfloxacin is a first-generation synthetic fluoroquinolone antibiotic. Mechanism of Action Norfloxacin indirectly inhibits DNA gyrase by binding to nearby DNA substrate. DNA gyrase is an essential DNA replication enzyme which reduces DNA strain...

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