Antibiotics

<p>Antibiotic; binds bacterial ribosomes to inhibit protein synthesis</p>

<p>Monensin sodium is a polyether antibiotic with action on ion transport across bacterial cell membranes and is used for preventing coccidiosis and improving feed efficiency in livestock.</p>

<p>A broad-spectrum antibiotic of macrolide class, which inhibits 50S ribosomal subunit and inhibits protein synthesis. Spiramycin is also effective against Gram-positive and gram-negative bacteria as well as protozoal parasite Toxoplasma gondii.</p>

<p>Broad-spectrum antibiotic; bacterial cell wall biogenesis inhibitor</p>

<p>Difloxacin is a bactericidal, broad-spectrum, fluroquinolone antibiotic which is active against both Gram-positive and Gram-negative bacteria. By interfering with the bacterial enzyme DNA gyrase, which is necessary for the upkeep and synthesis of bacterial DNA, it causes an antibacterial impact. It is used for the treatment of many bacterial infections including skin infections.</p>

<p>Inhibitor of bacterial cell wall biogenesis; cephalosporin</p>

Mezlocillin sodium is a sodium salt form of mezlocillin with similar action and applications as mezlocillin.

<p>Inhibitor of protein synthesis; glycylcycline class</p>

<p>Anhydro chlortetracycline HCl is an antibiotic and is used for the treatment of bacterial infections. It binds to the 30S ribosomal subunit, inhibiting protein synthesis</p>

<p>A broad-spectrum antibiotic of macrolide class which targets 50S ribosome subunit and inhibits protein synthesis. Azithromycin is a semi-synthetic acid-stable derivative of erythromycin. In vitro, azithromycin is more efficient than erythromycin in some Gram-negative organisms such as Haemophilus influenzae, Haemophilus parainfluenzae, Moraxella catarrhalis, Neisseria gonorrhoeae and Borrelia burgdorferi.</p>

<p>Trimethoprim is a diaminopyrimidine antibiotic with action on bacterial folate synthesis inhibition and is used for treating urinary tract infections and respiratory infections.</p>

<p>Ofloxacin is a fluoroquinolone antibiotic with action on bacterial DNA gyrase and topoisomerase IV and is used for treating bacterial infections like pneumonia, urinary tract infections, and skin infections.</p>

<p>Ketolide; binds bacterial ribosomes and inhibits translation</p>

<p>Metronidazole is a nitroimidazole antibiotic with action on anaerobic bacteria and protozoa by disrupting DNA synthesis and is used for treating infections like bacterial vaginosis, trichomoniasis, and certain parasitic infections.</p>

9-Deoxo-9a-aza-9a-homo erythromycin A is a semi-synthetic macrolide antibiotic, which is derived from the naturally occurring antibiotic erythromycin. This compound is structurally modified to enhance its pharmacokinetic properties and antibacterial spectrum. By altering the erythromycin molecule, 9-Deoxo-9a-aza-9a-homo erythromycin A introduces a nitrogen atom into the lactone ring, thereby modifying its interaction with bacterial ribosomes.

<p>Ampicillin sodium is a broad-spectrum antibiotic, which is a semisynthetic derivative of penicillin. It is sourced from the natural fermentation products of Penicillium fungi, followed by chemical modification. Ampicillin functions by inhibiting bacterial cell wall synthesis. This is achieved through the irreversible binding to penicillin-binding proteins (PBPs), which play a crucial role in constructing the peptidoglycan layer of bacterial cell walls. This interruption of cell wall synthesis leads to cell lysis and ultimately the death of the bacteria.</p>

<p>A β-lactam antibiotic of monobactam subclass, which targets peptidoglycan synthesis in bacterial cell wall. Aztreonam is effective against Gram-negative aerobic bacteria and is more resistant to β-lactamases than other β-lactam antibiotics.</p>

<p>Kanamycin B is a broad spectrum antibiotic active against both gram-positive and gram-negative bacteria, often used to treat eye infections. Compared to Kanamycin A, it exhibits stronger interaction with the acidic phospholipids.</p>

<p>Colistin sodium methanesulfonate is an antibiotic, which is a derivative of polymyxin E sourced from the bacterium Paenibacillus polymyxa. Its mode of action involves disrupting the bacterial cell membrane by interacting with lipopolysaccharides and phospholipids, leading to cell death.</p>

<p>Sarafloxacin hydrochloride is a fluoroquinolone antibiotic with action on bacterial DNA gyrase and topoisomerase IV and is used for treating bacterial infections in veterinary medicine.</p>

<p>Phleomycin HCl is an antibiotic compound derived from *Streptomyces verticillus*, which is known for its robust DNA-cleaving activity. As an antibiotic, it functions primarily by inducing breaks in DNA strands, thereby inhibiting DNA replication and transcription processes. This mechanism of action is particularly effective in targeting rapidly dividing cells, making Phleomycin a valuable tool in molecular biology.</p>

<p>Dalbavancin is a lipoglycopeptide antibiotic with action against gram-positive bacteria, including MRSA and is used for treating acute bacterial skin and skin structure infections.</p>

<p>7-Deazaadenosine is a chemical compound used as an antibiotic for culture media, which is a synthetic nucleoside analog derived from adenosine. Its structure is modified by replacing a nitrogen atom in the purine ring with a carbon atom, thus altering its biological interactions. The primary mode of action of 7-Deazaadenosine involves its incorporation into nucleic acids, where it acts as an inhibitor of nucleic acid-processing enzymes. This interference can effectively impede processes like DNA and RNA synthesis.</p>

<p>β-lactam antibiotic of penicillin subclass, which inhibits bacterial cell wall synthesis by targeting the proteoglycan synthesis. Cloxacillin has a narrow spectrum of action and is effective against Gram-positive organisms. Cloxacillin is resistant to the action of β-lactamase and therefore preferentially used for treatment of Staphylococcal infections.</p>

<p>Binds cyclophilin D and inhibits calcineurin; immunosuppressant</p>

<p>Tigecycline Impurity 8 is a chemical impurity associated with Tigecycline, which is a glycylcycline antibiotic. This impurity is typically synthesized or isolated as a part of pharmaceutical development and quality control processes. Its source is inherently linked to the chemical synthesis of Tigecycline, where it may arise as a byproduct or degradation product.</p>

<p>Broad spectrum, long-acting and lipid soluble tetracycline antibody</p>

<p>Enduracidin hydrochloride is an antimicrobial compound, which is a lipopeptide antibiotic derived from the genus Streptomyces, specifically Streptomyces fungicidicus or Streptomyces roseosporus. The compound exerts its antimicrobial activity by inhibiting the synthesis of bacterial cell walls, primarily targeting the lipid II cycle, a critical precursor in the peptidoglycan synthesis pathway. This inhibition disrupts the construction of peptidoglycan layers, ultimately leading to bacterial cell lysis and death.</p>

<p>Ethambutol 2HCl is a bacteriostatic antimycobacterial agent with action on arabinosyl transferases to inhibit cell wall synthesis and is used for treating tuberculosis in combination with other antibiotics.</p>

<p>Antibacterial used in treatment of UTI and respiratory tract infections</p>

<p>Fleroxacin is a fluoroquinolone antibiotic with action on bacterial DNA gyrase and topoisomerase IV and is used for treating respiratory, urinary, and gastrointestinal infections.</p>

<p>Lysostaphin is an antimicrobial enzyme with a mode of action that cleaves the cell wall of Staphylococcus aureus. It is used for treating staphylococcal infections and in research applications.</p>

<p>Doxorubicin Impurity B is a chemical impurity of doxorubicin with no direct therapeutic action but used in research and quality control.</p>

<p>Inhibitor of bacterial cell wall biogenesis; penicillin class</p>

<p>Cycloheximide, Antibiotic for Culture Media Use Only, is an antifungal agent derived from the Streptomyces griseus bacterium. Its primary mode of action involves the inhibition of eukaryotic protein synthesis by interfering with the translocation step on the 80S ribosome. This leads to rapid arrest of protein assembly, effectively limiting fungal and certain yeast growth in culture.</p>

<p>Oligomycin C 97% is a macrolide antibiotic with action on mitochondrial ATP synthase inhibition and is used for research on oxidative phosphorylation and cellular metabolism.</p>

<p>1,6'-Di-HABA kanamycin A is a derivative of kanamycin A, an aminoglycoside antibiotic used to treat bacterial infections by blocking cell wall synthesis or by inhibiting protein synthesis.</p>

<p>Paromomycin sulfate is an antibiotic used for culture media to control bacterial contamination of mediums and other laboratory substances. Most Gram-negative bacteria strains are sensitive to paromomycin sulfate, showing a low sensitivity (≀10%) in Enterobacteriaceae, Pseudomonas aeruginosa, Escherichia coli, Proteus vulgaris, Klebsiella pneumoniae and Serratia marcescens. Paromomycin sulfate is also used in the treatment of colorectal cancer by blocking DNA synthesis through inhibition of protein synthesis in susceptible cells. This can result in reduced damage in colon tumor cells within the body, although it may have neurotoxic effects on brain tissue. Furthermore, it has anti-inflammatory properties when given orally or intravenously at therapeutic doses. Acridine orange can be used to identify sulfuric acid resistant gram.</p>

<p>Inhibitor of protein synthesis; lincosamide</p>

<p>Milbemycin oxime is a broad-spectrum antiparasitic agent with action on glutamate-gated chloride channels in parasites and is used for preventing heartworm and treating intestinal worms in animals.</p>

<p>Inhibitor of protein synthesis; streptogramin</p>

Vulgamycin is a novel antibiotic, which is derived from a specific strain of soil bacteria belonging to the genus *Streptomyces*. This microorganism is known for its prolific secondary metabolite production, enabling the development of unique compounds with therapeutic potential. Vulgamycin operates by inhibiting bacterial cell wall synthesis, a mechanism of action that targets key enzymatic pathways, resulting in effective bactericidal activity against a wide range of Gram-positive bacteria.

Antibiotic; RNA and DNA synthesis inhibitor; adenosine analogue

<p>Inhibitor of protein synthesis; aminoglycoside</p>

<p>Mitomycin C is a cytotoxic agent that inhibits DNA synthesis. This product is tested according to USP specification. Mitomycin C has been shown to be effective against resistant mutants and carcinoma cell lines. It also has genotoxic activity and induces statistically significant chromosome aberrations in mammalian cells. Mitomycin C is toxic to the mitochondria, which may be due to its ability to induce mitochondrial membrane potential collapse, leading to apoptosis. Mitomycin C binds to the response element in the genome, causing transcriptional repression of a number of genes involved in cell proliferation, differentiation, or apoptosis. Mitomycin C inhibits squamous carcinoma cells by binding to their DNA and preventing RNA synthesis.</p>

Lincomycin 2,7-dipalmitate is an antibiotic compound that is a semi-synthetic derivative originating from the natural antibiotic lincomycin, which itself is produced by the actinobacterium Streptomyces lincolnensis. This compound functions by inhibiting bacterial protein synthesis. Specifically, it binds to the 23S rRNA component of the 50S subunit of the bacterial ribosome, thereby disrupting the process of RNA translocation and inhibiting the synthesis of essential proteins needed for bacterial growth and replication.

<p>Inhibitor of DNA replication; aminoglycoside class</p>

<p>Marbofloxacin is an antibiotic belonging to the class of fluoroquinolones. It is used in veterinary medicine to treat bacterial infections in animals. This drug inhibits the bacterial enzyme DNA gyrase and topoisomerase IV. As a result, this drug prevents bacterial DNA replication.</p>

<p>Novobiocin is an aminocoumarin antibiotic with action on bacterial DNA gyrase to inhibit ATPase activity and is used for treating staphylococcal infections and research on DNA replication.</p>

Ceftriaxone disodium hemiheptahydrate is a third-generation cephalosporin antibiotic, which is a semisynthetic derivative of cephalosporin C. This compound is sourced from the fungus Acremonium, which is known for its role in deriving crucial β-lactam antibiotics. Ceftriaxone acts by inhibiting bacterial cell wall synthesis, specifically targeting the penicillin-binding proteins (PBPs). This action disrupts peptidoglycan cross-linking, leading to bacterial cell lysis and death.

<p>Herbicidin H is a naturally occurring microbial herbicide, which is derived from specific strains of soil-borne bacteria. This compound is primarily isolated from Streptomyces species, known for their prolific production of various bioactive secondary metabolites. The mode of action of Herbicidin H involves the disruption of essential cellular processes within plant cells, particularly affecting nucleic acid synthesis. This disruption leads to impaired growth and eventual plant death, making it a potent agent against a range of undesirable plant species.</p>

<p>A derivative of azithromycin, used as an antibiotic</p>

<p>9’-Deoxy-8’,8’-dihydroxyherbicidin is a specialized compound, classified as an antibacterial agent and secondary metabolite, which is naturally derived from microbial sources, specifically certain strains of actinomycetes. These microorganisms are prolific producers of bioactive secondary metabolites, including antibiotics and herbicidins, which exhibit diverse biological activities.</p>

<p>Inhibitor of cell wall synthesis; cephalosporin class</p>

<p>Posizolid is an oxazolidinone antibiotic, which is a synthetic compound derived from chemical synthesis. It acts by inhibiting bacterial protein synthesis through binding to the 50S subunit of the bacterial ribosome, thereby interfering with the translation process essential for bacterial growth and reproduction.</p>

<p>Gentamicin C1a pentaacetate is an aminoglycoside antibiotic derivative, which is synthesized through the acetylation of the hydroxyl groups in gentamicin C1a. This compound is derived from the fermentation products of Micromonospora species, a genus of actinobacteria. Its mode of action is similar to that of standard aminoglycosides, primarily involving the binding to bacterial 30S ribosomal subunits. This binding interferes with protein synthesis by causing misreading of mRNA, ultimately leading to the inhibition of protein production and bacterial cell death.</p>

<p>Gentamycin sulphate is the salt form of the broad-spectrum antibiotic gentamycin (a.k.a. gentamicin). Gentamycin is active against clinically relevant bacteria, such as: Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli, Serratia marcescens, and is used to fight infections from Staphylococcus, Citrobacter and Enterobacteriaceae species. Gentamycin is a natural mixture of four congeners, one of which is gentamicin C2a. Gentamycin has been included in biomedical implantable materials, such as, bone grafts, to reduce the risk of infection.</p>

Rosaramicin butyrate is a macrolide antibiotic, which is derived from the fermentation of Streptomyces bacteria. With a mechanism of action that involves the inhibition of bacterial protein synthesis, it binds to the 50S subunit of the bacterial ribosome. This interference prevents the translocation step during protein translation, effectively halting the growth of susceptible bacterial strains.

<p>Desfuroyl ceftiofur sodium is a veterinary cephalosporin antibiotic, which is derived from cephalosporin C, a beta-lactam antibiotic produced by the fungus Cephalosporium acremonium. Its mode of action involves the inhibition of bacterial cell wall synthesis by binding to and inactivating penicillin-binding proteins (PBPs). This prevents the cross-linking of peptidoglycan layers, leading to cell lysis and bacterial death, particularly effective against Gram-negative and some Gram-positive bacteria.</p>

<p>Validoxylamine A is an antibiotic, which is a secondary metabolite produced by certain strains of the Actinomyces species. It functions as a potent inhibitor of the enzyme glucose isomerase, which plays a crucial role in the isomerization of glucose to fructose, an important biochemical reaction in various microbial and plant systems.</p>

<p>Rifaximin is a rifamycin antibiotic with action on bacterial RNA polymerase to inhibit transcription and is used for treating travelers' diarrhea, irritable bowel syndrome, and hepatic encephalopathy.</p>

Nitrofurantoin is an antibiotic that binds to the bacterial ribosome and inhibits protein synthesis. It is used to treat a wide range of infections, including urinary tract infections and its common causes such as E. coli, Citrobacter and Enterococcus.

Cefoxitin EP Impurity F is a pharmaceutical reference impurity, which is a derivative of the cefoxitin antibiotic. This impurity arises from the degradation or synthesis processes related to cefoxitin, a semi-synthetic, beta-lactam antibiotic of the cephamycin group. The mode of action of cefoxitin involves interfering with bacterial cell wall synthesis by binding to penicillin-binding proteins, ultimately leading to cell lysis and death.

<p>Cefoperazone free acid is a third-generation cephalosporin antibiotic with action on bacterial cell wall synthesis and is used for treating respiratory, urinary, and skin infections.</p>

Gentamycin sulphate is the salt form of the broad-spectrum antibiotic gentamycin (a.k.a. gentamicin). Gentamycin is active against clinically relevant bacteria, such as: Pseudomonas aeruginosa, Klebsiella pneumoniae, Escherichia coli, Serratia marcescens, and is used to fight infections from Staphylococcus, Citrobacter and Enterobacteriaceae species. Gentamycin is a natural mixture of four congeners, one of which is gentamicin C2a. Gentamycin has been included in biomedical implantable materials, such as, bone grafts, to reduce the risk of infection.

<p>Carbomycin is a macrolide antibiotic, which is derived from the bacterium Streptomyces halstedii. This antibiotic functions by binding to the 50S ribosomal subunit, thereby inhibiting bacterial protein synthesis. Through this mechanism, carbomycin effectively disrupts the growth and replication of susceptible bacterial strains, making it a potent tool in combating bacterial infections.</p>

<p>Cefditoren acid sodium is an antibacterial agent that belongs to the class of third-generation cephalosporins, which is derived from Acremonium fungus and produced through chemical synthesis. This compound acts by inhibiting bacterial cell wall synthesis, leading to cell lysis and death. It achieves this by binding to specific penicillin-binding proteins (PBPs) located inside the bacterial cell wall. The interruption of peptidoglycan synthesis in the cell wall is crucial for maintaining bacterial cell integrity, and its inhibition results in the bactericidal activity of cefditoren acid sodium. It is effective against a range of Gram-positive and Gram-negative bacteria. The key applications of this compound include the treatment of bacterial infections such as respiratory tract infections, skin infections, and other conditions caused by susceptible bacteria. Its spectrum of activity and pharmacokinetic properties make it suitable for situations where third-generation cephalosporins are indicated. Understanding the specific interaction with PBPs and the resistance mechanisms is crucial for optimizing its clinical use and managing antibiotic resistance.</p>

<p>Ampicillin is a β-lactam antibiotic with a broad spectrum of activity against Gram-positive and Gram-negative bacteria. It is used in the treatment of bacterial infections, including those caused by methicillin-resistant Staphylococcus aureus (MRSA), Streptococcus pneumoniae, and Listeria monocytogenes. Ampicillin binds to penicillin-binding proteins in the bacterial cell wall by competitive inhibition. It prevents the formation of an antibiotic-inhibitor complex with the enzyme cell wall synthesis that is required for cell wall biosynthesis, inhibiting protein synthesis and cell division.</p>

<p>Cefatrizine is a broad-spectrum antibiotic, which is a semisynthetic cephalosporin derived from cephalosporin C, a natural product originating from the fungus Acremonium chrysogenum. It exerts its mode of action through the inhibition of bacterial cell wall synthesis, a critical component for bacterial growth and replication. Specifically, cefatrizine targets and binds to penicillin-binding proteins (PBPs) located inside the bacterial cell wall, leading to the inhibition of peptidoglycan synthesis. This disruption results in cell lysis and ultimately bacterial cell death.</p>

<p>Amphotericin B is a macrocycle antibiotic with very potent antifungal effects and resistance very rarely occurs. Amphotericin B is a polyene antifungal that binds to fungal cell membrane, i.e., ergosterol disrupts the membrane permeability leading to leakage of intracellular components. It is often used as an alternative therapy for leishmaniasis and to treat severe mycoses including: systemic Candida, Cryptococcus, blastomycosis, and histoplasmosis.</p>

<p>Anhydrooxytetracycline hydrochloride is a useful research chemical. Buy Anhydrooxytetracycline hydrochloride from Cymit Quimica for a variety of research applications.</p>

Labeled analogue of Chloramphenicol; interferes with protein synthesis

<p>Colistin is a narrow-spectrum antibiotic efficient mostly against gram-negative bacteria. Colistin interacts with the outer membrane of gram-negative bacteria and induces a transfer of divalent cations of calcium and magnesium from the negatively charged phosphate groups. This causes the disruption of the outer membrane and release of lipopolysaccharides. It is commonly used against Enterobacteriaceae and Aeromonas, and none-fermentative gram-negative bacteria as well as for carbapenem-resistant Acinetobacter strains.</p>

<p>Ceftaroline fosamil is an antibacterial agent used to treat various bacterial infections such as pneumonia. Ceftaroline fosamil binds to the ribosomal RNA of bacteria, preventing the formation of proteins necessary for cell division. Ceftaroline fosamil has been shown to be highly active against Mycobacterium tuberculosis, Mycobacterium avium complex, and fungi such as Candida species.</p>

<p>Clindamycin-2-phosphate is a lincosamide antibiotic with action on bacterial protein synthesis inhibition and is used for treating serious bacterial infections like skin and respiratory infections.</p>

<p>Ticarcillin is a member of the beta-lactam family of antibiotics and has bactericidal activity against Gram-positive and Gram-negative bacteria such as Staphylococcus and Pseudomonas strains. Ticarcillin inhibits cell wall synthesis by binding to penicillin-binding protein (PBP) and blocking transpeptidase. It also has a C-terminal that can inhibit domain I and II beta-lactamases (namely, PEN2). The lactam ring in ticarcillin is cleaved by beta-lactamase, which makes it ineffective, thus ticarcillin is often combined with β-lactamase inhibitors such as clavulanic acid.</p>

<p>Amicoumacin B is a potent antibiotic, which is isolated from the bacterial species Bacillus pumilus. It acts by inhibiting protein synthesis, targeting the ribosomal 30S subunit and disrupting translational fidelity in bacterial cells. This interference in protein production leads to the effective elimination of various Gram-positive and certain Gram-negative bacteria.</p>

<p>Clindamycin hydrochloride - 94% is an antibiotic that belongs to the lincosamide class of antibiotics, derived from the bacterium Streptomyces lincolnensis. This compound functions predominantly as a bacterial protein synthesis inhibitor, exerting its effects by binding to the 50S subunit of the bacterial ribosome. This binding action disrupts the process of peptide chain elongation, thereby impeding the growth and proliferation of susceptible bacteria.</p>

<p>Ceftazidime is a broad-spectrum beta-lactam antibiotic that inhibits bacterial growth by inhibiting penicillin-binding proteins (PBPs). It is used to treat many bacteria infections including pneumonia and septicaemia. It has shown to be effective against some treatment-resistant bacteria such as Pseudomonas aeruginosa.</p>

<p>Cefixime trihydrate is a third-generation cephalosporin antibiotic with action on bacterial cell wall synthesis and is used for treating infections like gonorrhea, urinary tract infections, and respiratory infections.</p>

<p>Grepafloxacin is a synthetic fluoroquinolone antibiotic, which is derived from the chemical modification of natural quinolones. It acts by inhibiting bacterial DNA gyrase and topoisomerase IV. This inhibition disrupts DNA replication and transcription in bacteria, leading to cell death. The high affinity of grepafloxacin for these bacterial enzymes over human analogs makes it an effective antibacterial agent, specifically targeting the bacterial replication machinery.</p>

A broad-spectrum antibiotic of tetracycline class which inhibits protein synthesis by targeting the 30S ribosome subunit. It has been used in human medicine as well as in veterinary medicine and agriculture.

<p>Bacitracin is a polypeptide antibiotic and is used for the treatment of bacterial infections, particularly skin infections. It interferes with bacterial cell wall synthesis by inhibiting the dephosphorylation of bactoprenol.</p>

Neomycin EP impurity C (Neomycin C) trifluoroacetate is a reference standard, which is a meticulously characterized chemical impurity often used in pharmaceutical analysis. This compound is derived from the fermentation of *Streptomyces fradiae*, which produces a complex mixture of aminoglycoside antibiotics, including Neomycin B and Neomycin C.

<p>Inhibits bacterial regulatory enzyme DNA gyrase</p>

<p>Inhibitor of protein synthesis; macrolide class</p>

<p>Pefloxacin is a mesylate prodrug that is converted to pefloxacin in the body. The optimum concentration for pefloxacin is 2 µg/mL, and it has been shown to be active against gram-positive bacteria such as Streptococcus pneumoniae, group A beta-hemolytic streptococci, and Enterococcus faecalis. Pefloxacin has also been shown to inhibit the growth of human leukemia cells (HL-60) and drug interactions have been documented with this drug. Pefloxacin is not active against Mycobacterium tuberculosis or Mycobacterium avium complex.</p>