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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2,806 – 2,820 of 7,041 results

2,806

Medchemexpress LLC Magainin 1 | 108433-99-4 | 99.9% | 2409.85 | 500 UG

Magainin 1 is an antimicrobial and amphipathic peptide isolated from the skin of *Xenopus laevis*. It exhibits antibiotic activity against various Gram-negative and Gram-positive bacteria by interacting with acidic lipids to form an amphiphilic helix, leading to membrane leakage.

Antimicrobial and amphipathic peptide
Isolated from *Xenopus laevis* skin
Exhibits antibiotic activity against Gram-negative and Gram-positive bacteria
Interacts with acidic lipids through electrostatic and hydrophobic interactions
Forms an amphiphilic helix
Induces leakage of calcein from negatively-charged vesicles
Binds to bovine brain phosphatidylserine sonicated vesicles

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2,807

Medchemexpress LLC D-Cl-amidine hydrochloride | 2985338-61-0 | MFCD33398967 | 99.9% | 347.24 g/mol | C14H20Cl2N4O2 | 10 MG

D-Cl-amidine hydrochloride is a potent, selective inhibitor of protein arginine deiminase 1 (PAD1). Supplied as the hydrochloride salt and available as a solid or as a 10 mM DMSO solution, it is used in biochemical and cell-based studies to probe PAD1-mediated citrullination, influence on cell viability, and induction of apoptosis.

High purity (≈99.9%) suitable for research use.
Available as small solid batches and a DMSO solution for flexible dosing.
Readily soluble in DMSO and water for assay preparation.
Documented in vitro activity and measurable exposure in vivo.
Suitable for biochemical and cell-based assays.
Store protected from light and under inert atmosphere for stability.

Pricing & Availability

2,808

eMolecules 1108743-60-7 | ENTRECTINIB(RXDX-101) | AstaTech | MFCD28129099 | 560.650 | C31H34F2N6O2 | 95.000 | CN1CCN(CC1)c1ccc(C(=O)Nc2n[nH]c3ccc(Cc4cc(F)cc(F)c4)cc23)c(NC2CCOCC2)c1 | 0.1g | 524392491

ENTRECTINIB(RXDX-101) | AstaTech | 1108743-60-7 | MFCD28129099 | 560.650 | C31H34F2N6O2 | 95.000 | CN1CCN(CC1)c1ccc(C(=O)Nc2n[nH]c3ccc(Cc4cc(F)cc(F)c4)cc23)c(NC2CCOCC2)c1 | 0.1g | 524392491

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2,809

eMolecules 943319-70-8 | Medchem Express | Ponatinib | 10mg | 446260626 | HY-12047 | MFCD17215203 | 532.571 | C29H27F3N6O

Medchem Express | Ponatinib | 10mg | 446260626 | HY-12047 | 943319-70-8 | MFCD17215203 | 532.571 | C29H27F3N6O

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2,810

Alkali Scientific Thiamiphenicol, 25 G

Thiamphenicol is available in this 25 g powder form for laboratory research and clinical applications. It serves as an antibiotic that inhibits bacterial protein synthesis, particularly in Gram-negative and Gram-positive bacteria. Thiamphenicol binds to bacterial ribosomes, blocking protein elongation and halting cell growth. This 25 g quantity is used for preparing large batches of stock solution, which are then diluted for treatment or experimentation. In clinical settings, it is used in the treatment of various bacterial infections, while in research it is utilized for studying bacterial resistance, testing susceptibility, and examining the mechanisms behind antibiotic action and bacterial survival.

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2,811

Research Products International Corp Ticarcillin Disodium Salt, 5 Grams

Ticarcillin disodium salt is an antibiotic that belongs to the class of drugs known as penicillin. It is a broad-spectrum antibiotic effective against various bacterial infections.

Ticarcillin disodium salt is commonly used in the field of life sciences for research applications.

In the life science marketplace, ticarcillin disodium salt is primarily utilized as a selective agent in microbiology and molecular biology experiments.

It is often incorporated into culture media to inhibit the growth of certain bacteria, allowing for the selective growth of desired organisms or the detection of specific bacterial strains.

Researchers and scientists working in fields such as microbiology, immunology, and molecular biology may employ ticarcillin disodium salt to study bacterial resistance mechanisms, evaluate the efficacy of antimicrobial compounds, or isolate and identify specific bacterial species.

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2,812

Medchemexpress LLC Sotorasib racemate 100mg | 2252403-56-6 | 100 MG

Sotorasib racemate is the racemic form of sotorasib, a covalent KRAS G12C inhibitor for use in cancer research. Supplied as a research-grade solid, it includes reported purity, solubility, and storage recommendations for preclinical and in vitro studies.

Racemic sotorasib with covalent KRAS G12C inhibition
Suitable for in vitro and preclinical cancer research
Reported purity of 98.99%
Soluble in DMSO (≈3.85 mg/mL); ultrasonic agitation recommended
Store under nitrogen at -20°C; in solution store at -80°C for extended storage

Pricing & Availability

2,813

Medchemexpress LLC Cl-amidine (hydrochloride) | 1373232-26-8 | 99.4% | 347.25 g·mol⁻¹ | C14H20Cl2N4O2 | 100 MG

Cl-amidine hydrochloride is the hydrochloride salt of Cl-amidine, a peptidylarginine deiminase (PAD) inhibitor used in biochemical and cellular research. It is supplied as a white to light yellow solid with batch-specific high purity and is applied to inhibit PAD-mediated protein citrullination in vitro and in vivo studies.

High purity suitable for biochemical and cellular research.
Pan-PAD inhibition activity for PAD1, PAD3, and PAD4 studies.
White to light yellow solid for stable storage and handling.
Molecular weight 347.25 g·mol⁻¹ for accurate dosing.
Recommended storage at -20°C under nitrogen to preserve stability.

Pricing & Availability

2,814

Medchemexpress LLC (1R,2R)-2-PCCA hydrochloride | 1609563-71-4 | 98.1% | 528.56 g/mol | C30H39Cl2N3O | 5 MG

(1R,2R)-2-PCCA hydrochloride is a diastereomer of 2-PCCA and a potent small-molecule agonist of the GPR88 receptor for research applications. It shows high potency in biochemical assays and measurable cellular activity, supplied as a solid hydrochloride salt with defined purity and solubility for in vitro and in vivo use.

Potent GPR88 receptor agonist with EC50 3 nM in cell-free assay.
Demonstrates cellular activity with EC50 603 nM in cell-based assays.
High purity solid (98.08%).
Soluble in DMSO (50 mg/mL) and compatible with stated in vivo formulations.
Light yellow to khaki solid; store at 4°C under nitrogen; solutions stable at -80°C for six months.

Pricing & Availability

2,815

Selleck Chemical LLC Amezinium

Amezinium is a sympathomimetic used for its vasopressor effects in the treatment of hypotensive states It is a MAO inhibitor antagonizes the response to tyramine and blocks neuronal uptake of noradrenaline

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2,816

Medchemexpress LLC Erythromycin | 114-07-8 | MFCD00801815 | 98.0% | 733.93 | 500 MG

Erythromycin is a macrolide antibiotic produced by the actinomycete *Streptomyces erythreus*, exhibiting a broad spectrum of antimicrobial activity. It functions by binding to bacterial 50S ribosomal subunits, thereby inhibiting RNA-dependent protein synthesis through blockage of transpeptidation and/or translocation reactions, without affecting nucleic acid synthesis. Erythromycin has also demonstrated antitumor and neuroprotective effects in various research fields.

Macrolide antibiotic
Produced by the actinomycete *Streptomyces erythreus*
Exhibits broad spectrum antimicrobial activity
Inhibits RNA-dependent protein synthesis by binding to bacterial 50S ribosomal subunits
Demonstrates antitumor effects
Shows neuroprotective effects

Pricing & Availability

2,817

eMolecules 22254-24-6 | Medchem Express | Ipratropium (bromide) | 25mg | 758391494 | HY-B0241 | 412.368 | C20H30BrNO3

ChemScene | (S)-3-((tert-Butoxycarbonyl)amino)-3-(3-chlorophenyl)propanoic acid | 100mg | 642097172 | CS-0154511 | 500770-74-1 | MFCD03427921 | 299.750 | C14H18ClNO4

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2,818

eMolecules 945128-26-7 | Medchem Express | CYM-5541 | 5mg | 446256794 | HY-101419 | MFCD09782785 | 316.445 | C19H28N2O2

Medchem Express | CYM-5541 | 5mg | 446256794 | HY-101419 | 945128-26-7 | MFCD09782785 | 316.445 | C19H28N2O2

Pricing & Availability

2,819

Chem-Impex International, Inc. Neomycin trisulfate salt hydrate | 1405-10-3 | MFCD00150827 | 250G

Neomycin trisulfate salt hydrate, 1405-10-3, MFCD00150827, 250G

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2,820

Chem-Impex International, Inc. Amoxicillin | 26787-78-0 | MFCD00072029 | 5G

Amoxicillin, 26787-78-0, MFCD00072029, 5G

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Antibiotics

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Medchemexpress LLC Magainin 1 | 108433-99-4 | 99.9% | 2409.85 | 500 UG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC D-Cl-amidine hydrochloride | 2985338-61-0 | MFCD33398967 | 99.9% | 347.24 g/mol | C14H20Cl2N4O2 | 10 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Research Products International Corp Ticarcillin Disodium Salt, 5 Grams Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Sotorasib racemate 100mg | 2252403-56-6 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Cl-amidine (hydrochloride) | 1373232-26-8 | 99.4% | 347.25 g·mol⁻¹ | C14H20Cl2N4O2 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC (1R,2R)-2-PCCA hydrochloride | 1609563-71-4 | 98.1% | 528.56 g/mol | C30H39Cl2N3O | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Erythromycin | 114-07-8 | MFCD00801815 | 98.0% | 733.93 | 500 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More