Antibiotiques
Les antibiotiques sont des composés conçus pour détruire ou inhiber la croissance de divers microorganismes, jouant un rôle crucial dans le traitement des infections et la prévention de la propagation des maladies. Cette catégorie offre une gamme diversifiée d'ingrédients actifs spécifiquement destinés à la recherche dans le domaine biochimique. Ces composés sont des outils essentiels pour étudier les mécanismes bactériens, les modèles de résistance et le développement de nouveaux agents thérapeutiques. Les chercheurs peuvent explorer une large variété d'antibiotiques pour comprendre leurs effets, optimiser leur utilisation et développer de nouveaux traitements pour combattre les menaces microbiennes émergentes. La disponibilité d'un spectre aussi large d'antibiotiques soutient la recherche avancée et l'innovation en microbiologie et en sciences pharmaceutiques.
Sous-catégories appartenant à la catégorie "Antibiotiques"
- Antibiotiques macrolides(26 produits)
- Antibiotiques stéroïdiens(31 produits)
- Antibiotiques de type tétracycline(20 produits)
- antibiotiques β-lactames(11 produits)
4101 produits trouvés pour "Antibiotiques"
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Erythromycylamine
CAS :<p>Erythromycylamine is a semisynthetic antibiotic, which is derived from the parent compound erythromycin. This compound is sourced from the fermentation product of the bacterium *Saccharopolyspora erythraea*. Erythromycylamine acts by inhibiting bacterial protein synthesis, specifically targeting the 50S ribosomal subunit, which ultimately leads to the disruption of bacterial cell growth and replication.</p>Formule :C37H70N2O12Degré de pureté :Min. 95%Masse moléculaire :734.96 g/molDesmethyl doxorubicin oxalate
CAS :<p>Desmethyl doxorubicin oxalate is an anthracycline-type chemotherapeutic agent, which is derived from the naturally occurring antibiotic doxorubicin. This compound comprises a desmethylated form of doxorubicin combined with oxalate. Its mode of action involves intercalating DNA strands and inhibiting topoisomerase II, thereby disrupting DNA replication and transcription. This interference leads to the inhibition of cancer cell proliferation and induces apoptosis.</p>Formule :C26H27NO11Degré de pureté :Min. 95%Masse moléculaire :529.49 g/molBiotinyl tobramycin amide
CAS :<p>Biotinyl tobramycin amide is a biotinylated form of the antibiotic tobramycin, which is derived from the actinobacterium Streptomyces tenebrarius. It features a tobramycin core, a potent aminoglycoside antibiotic, chemically linked to biotin. This modification allows for the specific attachment to avidin or streptavidin-labeled probes due to the strong biotin-streptavidin interaction, facilitating various labeling and detection techniques in research.</p>Formule :C28H51N7O11SDegré de pureté :Min. 95%Masse moléculaire :693.81 g/molClindamycin-d3 hydrochloride
CAS :Produit contrôléClindamycin-d3 hydrochloride is an isotopically labeled pharmaceutical compound, specifically designed for use in the field of analytical chemistry and pharmacokinetics. It is derived from clindamycin, a known antibiotic sourced from modifications of the naturally occurring compound lincomycin, produced by the actinobacterium Streptomyces lincolnensis. The incorporation of deuterium atoms, replacing hydrogen, allows for its use in sophisticated analytical methods such as mass spectrometry, where it serves to trace the metabolic pathways and to quantify the bioavailability and distribution of clindamycin in biological systems with high precision.Formule :C18H30ClD3N2O5S•HClDegré de pureté :Min. 95%Masse moléculaire :464.46 g/molTetracycline hydrochloride, Antibiotic for Culture Media Use Only
CAS :<p>Tetracycline hydrochloride is a broad-spectrum antibiotic and is an electron transfer agent. It has been shown to be effective against bacterial infections in humans and has been used in cultures for the prevention of bacterial contamination. As an electron transfer agent, it is used in electron microscopy to study the surface of biological cells. Tetracycline hydrochloride enters bacterial cells by diffusion and interacts with the cytoplasmic membrane, where it induces a redox reaction that leads to cell death. The efficacy of tetracycline hydrochloride in treating candida albicans (yeast) was studied using in-vitro activity and showed that carboxymethyl chitosan nanoparticles were able to enhance the treatment efficiency.</p>Formule :C22H25ClN2O8Degré de pureté :Min. 88.0 Area-%Masse moléculaire :480.90 g/molRef: 3D-T-1961
1kgÀ demander5kgÀ demander10kgÀ demander25kgÀ demander2500gÀ demander-Unit-kgkgÀ demanderPolymyxin B nonapeptide hydrochloride
CAS :<p>Polymyxin B nonapeptide hydrochloride is a potent antibiotic compound derived from the bacterium *Bacillus polymyxa*. As a cationic polypeptide, it exhibits its antibacterial activity by interacting with the lipopolysaccharides and phospholipids in the bacterial cell membrane, leading to increased permeability and ultimately causing cell lysis. The compound is specifically effective against a broad range of Gram-negative bacteria, making it crucial in studying antibiotic resistance mechanisms.</p>Formule :C43H74N14O11•(HCl)xDegré de pureté :Min. 95%Masse moléculaire :963.14 g/molDequalinium chloride
CAS :<p>Dequalinium chloride is a novel, broad spectrum antimicrobial agent with a mechanism of action that inhibits the mitochondria-dependent respiratory chain. Studies have shown that it inhibits the growth of resistant microorganisms in cell-based experiments and in bacterial infections. Dequalinium chloride also has cytopathic effects on thp-1 cells, which are specific for Mycobacterium tuberculosis. In addition to inhibiting mitochondria-dependent respiration, this compound also increases acetylcholine receptor sensitivity in A549 lung cancer cells. Dequalinium chloride is a quaternary ammonium cation and has been shown to be effective against clinical isolates and inhibitory concentrations of a variety of virus species, including human rhinovirus (HRV) and Coxsackie virus type B4 (CoxB4).</p>Formule :C30H40Cl2N4Degré de pureté :Min. 95.0 Area-%Masse moléculaire :527.57 g/molRifampicin, Antibiotic for Culture Media Use Only
CAS :Rifampicin is a drug that inhibits protein synthesis in bacteria and is used to treat tuberculosis. Rifampicin binds to the beta subunit of the bacterial RNA polymerase, inhibiting transcription and translation. It has been shown to inhibit the acetylcholine receptor function in rats, which may be related to its antituberculosis activity. Histopathological studies have shown that rifampicin inhibits the growth of human tumors in mice, including lung cancer, breast cancer, and leukemia. The drug is also being studied for its potential use in treating Alzheimer's disease. The pharmacokinetics and oral bioavailability of rifampicin have been studied and Rifampicin has been shown to be an effective anti-tuberculosis drug.Formule :C43H58N4O12Degré de pureté :Min. 90.0 Area-%Masse moléculaire :822.94 g/molN-Desisobutyl-N-propyl rifabutin
CAS :<p>N-Desisobutyl-N-propyl rifabutin is a synthetic derivative of rifabutin, which is an antibiotic belonging to the rifamycin class. This compound is sourced from modifications of the parent molecule rifabutin, itself derived from the rifamycin family produced by the bacterium Amycolatopsis, traditionally used for its antimicrobial properties. The mode of action involves the inhibition of bacterial RNA polymerase, effectively preventing the transcription process necessary for bacterial replication and protein synthesis. This disruption of RNA synthesis provides potent antimicrobial activity.</p>Formule :C45H60N4O11Degré de pureté :Min. 95%Masse moléculaire :832.98 g/molDoxycycline hydrochloride hemiethanolate hemihydrate, Antibiotic for Culture Media Use Only
CAS :<p>Doxycycline is an antibiotic that inhibits bacterial growth by inhibiting protein synthesis, respiratory chain, DNA gyrase, DNA topoisomerase IV. Doxycycline inhibits papaverine by blocking the expression of both cytochrome P450 and epoxide hydrolase. Doxycycline is commonly found in studies for bacterial infections, drug therapy, histopathological studies, cell culture and chemometric analysis.</p>Formule :C22H24N2O8·HClH2OC2H6ODegré de pureté :Min. 97.0 Area-%Masse moléculaire :512.90 g/molCefoxitin EP impurity B
Cefoxitin EP impurity B is a chemical reference standard, which is derived from the synthesis and purification processes involved in producing Cefoxitin. As an impurity standard, its primary role is to serve as a benchmark for quality control in pharmaceutical formulations. The mode of action of Cefoxitin EP impurity B involves the structural analysis and quantification of impurity levels, ensuring that the primary pharmaceutical products meet necessary safety and efficacy criteria.Formule :C16H17N3O7S2Degré de pureté :Min. 95%Masse moléculaire :427.45 g/mol3'-N-Desmethyl-3'-N-formyl azithromycin
CAS :3'-N-Desmethyl-3'-N-formyl azithromycin is a semi-synthetic macrolide antibiotic, derived from the well-known azithromycin. It is created through structural modification, where the 3'-N-demethylated and 3'-N-formyl groups enhance its pharmacokinetic properties and potentially improve its antimicrobial efficacy.Formule :C38H70N2O13Degré de pureté :Min. 95%Masse moléculaire :762.97 g/molColistin sulfate, Antibiotic for Culture Media Use Only
CAS :<p>Antibacterial agent with the ability to permeate bacterial membranes and cause cell death. Colistin is a cationic peptide also known as polymyxin E. Colistin is effective in multidrug resistant Gram-positive bacteria such as P. aeruginosa, A. baumannii and K. pneumoniae.</p>Formule :C53H102N16O17SMasse moléculaire :1,266.73 g/molRef: 3D-Q-200890
1kgÀ demander5kgÀ demander10kgÀ demander25kgÀ demander2500gÀ demander-Unit-kgkgÀ demander(10E)-3-O-De(a-L-cladinose)-10-dehydro-11-dehydroxy-6-O-methyl-erythromycin
CAS :Erythromycin derivativeFormule :C30H53NO9Degré de pureté :Min. 95%Masse moléculaire :571.74 g/molVincristine
CAS :Vincristine, a microtubule disruptor, inhibits mitosis in cancer cells, useful in leukemia research.Formule :C46H56N4O10Degré de pureté :98.46% - >99.99%Couleur et forme :SolidMasse moléculaire :824.96Chlortetracycline-13C-d3 hydrochloride
Produit contrôlé<p>Chlortetracycline-13C-d3 hydrochloride is a stable isotope-labeled antibiotic with action on bacterial protein synthesis inhibition and is used for research in bacterial resistance and analytical studies.</p>Formule :C2113CH21D3Cl2N2O8Couleur et forme :PowderMasse moléculaire :519.35 g/mol10, 11-Dehydrocurvularin
CAS :<p>10, 11-Dehydrocurvularin is a fungal phytotoxin with heat shock response and immune-modulatory activitie. Curvularins inhibit the expression of the inducible nitric oxide synthase (iNOS), thereby acting as anti-inflammatory agents and immune system modulators</p>Degré de pureté :Min. 95%Couleur et forme :PowderKanamycin C
CAS :Inhibitor of protein synthesis; aminoglycosideFormule :C18H36N4O11Degré de pureté :Min. 95%Masse moléculaire :484.5 g/molStreptidine
CAS :Streptidine is an amino cyclitol, which is a component of certain aminoglycoside antibiotics. This compound originates from the actinomycete *Streptomyces griseus*, a soil bacterium known for its ability to produce a variety of antibiotics. Streptidine plays a crucial role in the mechanism of aminoglycosides by contributing to the binding affinity of these antibiotics to the bacterial ribosome.Formule :C8H18N6O4Degré de pureté :Min. 95%Masse moléculaire :262.13895Thienamycin
CAS :<p>Thienamycin is a β-lactam antibiotic, which originates from the fermentation of the bacterium *Streptomyces cattleya*. Its mode of action involves inhibiting the synthesis of bacterial cell walls. Thienamycin accomplishes this by binding to penicillin-binding proteins (PBPs) critical for peptidoglycan construction, thereby disrupting cell wall integrity and leading to bacterial lysis.</p>Formule :C11H16N2O4SDegré de pureté :80%MinCouleur et forme :PowderMasse moléculaire :272.32 g/mol
