Selective Agents

D-Cycloserine

D-Cycloserine is an amino acid analog antibiotic. D-Cycloserine acts as a competitive inhibitor of D-alanine, an essential amino acid during peptidoglycan synthesis.  It is a broad-spectrum antibiotic that can be used as a selective agent in several...

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Cephalothin Sodium, USP

Cephalothin Sodium, USP is a semisynthetic, β-lactam, first-generation cephalosporin antibiotic with bactericidal activity. It is effective against Gram-positive and Gram-negative bacteria.  Cephalothin Sodium is inactivated by cephalosporinase...

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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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Kanamycin Sulfate, USP

Kanamycin Sulfate, USP is 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 Chemistry (Tokyo) during an...

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Cefsulodin Sodium

Cefsulodin Sodium is a third-generation cephalosporin antibiotic.  The compound has been optimized via industrial HPLC to remove significant quantities of 7-aminocephalosporanic acid (7-ACA), a key impurity in Cefsulodin synthesis that can cause...

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Kanamycin Acid Sulfate, BP

Kanamycin Acid Sulfate, BP 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...

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Cefoxitin Sodium, USP

Cefoxitin Sodium, USP is the sodium salt of Cefoxitin, a cephamycin β-lactam second-generation cephalosporin that is resistant to β-lactamases.  It has activity against several Gram-positive and Gram-negative bacteria.  Cefoxitin was...

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Cefoxitin

Cefoxitin is a cephamycin β-lactam second-generation cephalosporin.  Cefoxitin is resistant to β-lactamases.  Cefoxitin is sparingly soluble in aqueous solution.  We also offer: Cefoxitin Sodium (C054) Mechanism of Action...

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Cefoperazone Sodium

Cefoperazone Sodium is a third-generation, semi-synthetic, broad-spectrum cephalosporin antibiotic. It is resistant to β-lactamase and is often used to study compound-protein binding and expression and inhibition of penicillin binding proteins...

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Bacitracin, USP

Bacitracin is a branched cyclic dodecylpeptide antibiotic produced by Bacillus licheniformis and some strains of Bacillus subtilis (Azevedo et al 1993).  It is synthesized as a mixture of up to 50 closely related congeners/fractions. ...

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