Antibiotics

Compounds and substances that kill or slow the growth of bacteria; used as a means of preventing bacterial contamination in cell cultures; various formulations and volumes available.

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3,811 – 3,825 of 7,083 results

3,811

Medchemexpress LLC Cefetamet | 65052-63-3 | 99.1% | C14H15N5O5S2 | 100 MG

Cefetamet is a cephalosporin antibiotic and the active metabolite of Cefetamet pivoxil. It binds to bacterial penicillin-binding protein (PBP), demonstrating significant activity against Gram-negative bacteria such as Enterobacteriaceae, Neisseria species, and Haemophilus influenzae, as well as Gram-positive bacteria like Streptococcus. Cefetamet kills and lyses Treponema pallidum and is utilized in research for various infections including respiratory tract, urinary tract, ear, nose, and throat infections, and syphilis.

Cephalosporin antibiotic
Active against Gram-negative and Gram-positive bacteria
Binds to bacterial penicillin-binding protein (PBP)
Kills and lyses Treponema pallidum
Useful in research for a variety of infections

Pricing & Availability

3,812

Medchemexpress LLC Oxcarbazepine | 28721-07-5 | 99.9% | C15H12N2O2 | 100 MG

Oxcarbazepine is a sodium channel blocker that significantly inhibits glioblastoma cell growth and induces apoptosis or G2/M arrest in glioblastoma cell lines. It also has anti-cancer and anticonvulsant effects, making it suitable for research and analytical applications.

Sodium channel blocker
Inhibits glioblastoma cell growth
Induces apoptosis or G2/M arrest
Anti-cancer effects
Anticonvulsant effects

Pricing & Availability

3,813

Crescent Chemical Co Inc CHLORAMPHENICOL

Chloramphenicol research grade, Ph. Eur. Blocks bacterial protein synthesis by inhibiting the peptidyl transferase activity of the 50S ribosomal subunit. Determination in serum by HPLC (1,2), in meat (3). Molecular basis for chloramphenicol resistance (5,6), effec

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3,814

Medchemexpress LLC Cilastatin-15N,d3 | 2738376-83-3 | 99.7% | C16H23D3N15NO5S | 1 MG

Cilastatin-15N,d3 is a 15N-labeled and deuterium-labeled form of Cilastatin. Cilastatin (MK0791) acts as a reversible, competitive inhibitor of renal dehydropeptidase I, with an IC50 of 0.1 μM. It also inhibits the bacterial metallo-β-lactamase enzyme CphA at an IC50 of 178 μM. Cilastatin is utilized as an antibacterial adjunct.

This compound serves as a tracer.
It can be used as an internal standard for quantitative analysis through techniques such as NMR, GC-MS, or LC-MS.
The incorporation of stable heavy isotopes (hydrogen, carbon, and other elements) into drug molecules is primarily for quantitation during drug development.
Deuteration, in particular, has shown potential to influence the pharmacokinetic and metabolic profiles of drugs.

Pricing & Availability

3,815

Medchemexpress LLC Polymyxin B1 | 4135-11-9 | MFCD01699017 | 98.90% | C56H98N16O13 | 1 MG

Polymyxin B1 is a potent antimicrobial lipopeptide derived from Bacilus polymyxa. It is the major component in Polymyxin B and functions by inducing lysis of bacterial cells through interaction with their membranes. It holds potential for treating multidrug-resistant Gram-negative bacterial infections.

Potent antimicrobial lipopeptide
Derived from Bacilus polymyxa
Major component in Polymyxin B
Induces bacterial cell lysis by interacting with membranes
Potential for treating multidrug-resistant gram-negative bacterial infections
Binds to negatively charged sites in bacterial cell membranes
Disrupts cell wall integrity and increases permeability for water and molecules

Pricing & Availability

3,816

Medchemexpress LLC Daptomycin | 103060-53-3 | >99.7% | C72H101N17O26 | 50 MG

Daptomycin is a lipopeptide antibiotic characterized by its rapid in vitro bactericidal activity specifically against gram-positive organisms. This compound plays a crucial role in anti-infection pathways, functioning as an effective bacterial inhibitor for research applications.

Lipopeptide antibiotic
Rapid in vitro bactericidal activity
Effective against gram-positive organisms
Inhibitor target
Suitable for research use

Pricing & Availability

3,817

Medchemexpress LLC Oxcarbazepine | 28721-07-5 | MFCD00865307 | 99.9% | C15H12N2O2 | 500 MG

Oxcarbazepine is a sodium channel blocker with anti-cancer and anticonvulsant effects. It significantly inhibits glioblastoma cell growth and induces apoptosis or G2/M arrest in glioblastoma cell lines.

Significantly inhibits glioblastoma cell growth
Induces apoptosis or G2/M arrest in glioblastoma cell lines
Exhibits anticonvulsant effects

Pricing & Availability

3,818

Medchemexpress LLC Zuclopenthixol-d4 succinate | 1246833-97-5 | 99.0% | C26H27D4ClN2O5S | 1 MG

Zuclopenthixol-d4 succinate is the deuterium labeled Zuclopenthixol. Zuclopenthixol is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist. It is for research use only and not sold to patients. Deuteration has gained attention because of its potential to affect the pharmacokinetic and metabolic profiles of drugs.

Can be used as a tracer
Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS

Pricing & Availability

3,819

ILEX LIFE SCIENCES LLC AMPHOTERICINB 250UG/ML 6X100ML

PAN-Biotech Amphotericin B for cell culture (Fungizone generic), 250 ug/ml (6 x 100 ml). DESCRIPTION: PAN-Biotech Amphotericin B (250 ug/ml) is a generic version of Fungizone that is used in cell culture applications. Amphotericin B is an antifungal agent produced by Streptomyces sp.. Amphotericin B increases fungal plasma membrane permeability by binding to sterols, thereby protecting cell cultures from contamination by yeast and multicellular fungi. APPLICATION: Amphotericin B is often used as an antifungal, anti-yeast and anti-mold agent to prevent fungal contamination of cell cultures. The commonly recommended working concentration ranges from 0.25-2.5 ug/mL (1-10 mL/L). LIQUID/POWDER: Liquid. STERILE: Yes. STORAGE TEMP.: -20°C. MANUFACTURER: PAN-Biotech GmbH. COUNTRY OF ORIGIN: Germany. USAGE: This product is intended for Laboratory Research Use Only. Not for use in diagnostic or therapeutic procedures.

Pricing & Availability

3,820

Medchemexpress LLC TTA-A2 | 953778-63-7 | 99.3% | 378.39 | 50 MG

TTA-A2 | 953778-63-7 | 99.3% | 378.39 | 50 MG

Pricing & Availability

3,821

Medchemexpress LLC Linezolid-d3 (PNU-100766-d3) | 1127120-38-0 | MFCD08063578 | >99.9% | 340.36 g/mol | C16H17D3FN3O4 | 1 MG

Linezolid-d3 (PNU-100766-d3) is a deuterium-labeled analogue of the antibiotic linezolid designed for use as an isotopic internal standard and analytical reference in research and bioanalysis. It provides a defined mass shift for accurate quantitation by LC-MS/MS and other mass spectrometry methods.

Deuterium-labeled internal standard for quantitative mass spectrometry.
High chemical and isotopic purity (>99.9% reported).
Molecular formula C16H17D3FN3O4 and molecular weight 340.36 g/mol.
Available in milligram quantities suitable for method development and validation.
Supplied as a neat solid for solution preparation and spiking workflows.

Pricing & Availability

3,822

Medchemexpress LLC Demethoxyencecalin | 19013-07-1 | 99.3% | C13H14O2 | 100 MG

Demethoxyencecalin is a chromene isolated from Helianthus annuus, known for its antifungal activities. It is intended for research use only.

Exhibits antifungal activities
Isolated from Helianthus annuus
For research use only
Molecular weight of 202.25
Appears as a yellow to brown liquid
Store pure form at -20°C for 3 years or 4°C for 2 years
Store in solvent at -80°C for 6 months or -20°C for 1 month

Pricing & Availability

3,823

eMolecules Medchem Express / ARC 239 (dihydrochloride) / 5mg / 785215250 / HY-12709A / / 55974-42-0 / MFCD02262215 / 480.430 / C24H31Cl2N3O3

Medchem Express / ARC 239 (dihydrochloride) / 5mg / 785215250 / HY-12709A / / 55974-42-0 / MFCD02262215 / 480.430 / C24H31Cl2N3O3

Pricing & Availability

3,824

Apexbio Technology LLC (-)-Tetramisole 16595-80-5 5g

(-)-Tetramisole is an immunomodulatory agent that stimulates nicotinic acetylcholine receptors leading to the activation of T-lymphocytes macrophages and phagocytic cells to enhance cell-mediated immune responses (-)-Tetramisole exerts its biological activity primarily through activation of nicotinic acetylcholine receptors Additionally it is utilized in the investigation of epigenetic regulation pathways involving lysine-specific demethylase 1 (LSD1) serving as a research tool to study chromatin modulation mechanisms and gene expression control Based on these pharmacological properties (-)-Tetramisole holds research potential in immunological signaling studies and tumor biology

Pricing & Availability

3,825

Medchemexpress LLC Avermectin B1a | 65195-55-3 | C48H72O14 | 100 MG

Avermectin B1a is an antiparasitic agent that paralyzes nematodes without causing hypercontraction or flaccid paralysis. It preferentially binds to synaptic membranes from several regions of rat brain. Its specific binding to intact monolayers of granule cells increases rapidly with time of incubation and reaches equilibrium after approximately 20 minutes at 24°C.

Antiparasitic agent
Paralyzes nematodes without causing hypercontraction or flaccid paralysis
Binds to synaptic membranes in rat brain
Activates GABA-insensitive chloride channels
Potency similar to moxidectin (IC50 values, 120 and 126 nM, respectively)

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Antibiotics

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Medchemexpress LLC Cefetamet | 65052-63-3 | 99.1% | C14H15N5O5S2 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Oxcarbazepine | 28721-07-5 | 99.9% | C15H12N2O2 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Crescent Chemical Co Inc CHLORAMPHENICOL Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Cilastatin-15N,d3 | 2738376-83-3 | 99.7% | C16H23D3N15NO5S | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Polymyxin B1 | 4135-11-9 | MFCD01699017 | 98.90% | C56H98N16O13 | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Daptomycin | 103060-53-3 | >99.7% | C72H101N17O26 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Oxcarbazepine | 28721-07-5 | MFCD00865307 | 99.9% | C15H12N2O2 | 500 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Zuclopenthixol-d4 succinate | 1246833-97-5 | 99.0% | C26H27D4ClN2O5S | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

ILEX LIFE SCIENCES LLC AMPHOTERICINB 250UG/ML 6X100ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC TTA-A2 | 953778-63-7 | 99.3% | 378.39 | 50 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Linezolid-d3 (PNU-100766-d3) | 1127120-38-0 | MFCD08063578 | >99.9% | 340.36 g/mol | C16H17D3FN3O4 | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Demethoxyencecalin | 19013-07-1 | 99.3% | C13H14O2 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Apexbio Technology LLC (-)-Tetramisole 16595-80-5 5g Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Avermectin B1a | 65195-55-3 | C48H72O14 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More