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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1,756 – 1,770 of 7,081 results

1,756

Medchemexpress LLC Streptomycin sulfate | 3810-74-0 | MFCD00037023 | 98.4% | 1 ML

Streptomycin sulfate is an aminoglycoside antibiotic that inhibits protein synthesis. It is intended for research use only.

Inhibits protein synthesis.
Available as a 10 mM in 1 mL solution for immediate use.
High purity of 98.4%.
Referenced in numerous scientific publications.
Active against various bacterial strains.

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1,757

Medchemexpress LLC HY-15260A 100mg , XL413 (hydrochloride) CAS:1169562-71-3 Purity:98%

Medchemexpress, HY-15260A 100mg XL413 (hydrochloride) CAS:1169562-71-3 Formula:C14H13Cl2N3O2 IC50: 3.4 nM (Cdc7), 42 nM (PIM1), 215 nM (CK2) EC50: 118 nM (pMCM) Purity:98% XL413 hydrochloride is a potent, selective and ATP competitive inhibitor of Cdc7 , with an IC 50 of 3.4 nM, and also shows potent effect with IC 50 s of 215, 42 nM on CK2, PIM1, respectively, and an EC 50 of 118 nM on pMCM. Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.

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1,758

Medchemexpress LLC Erythromycin lactobionate | 3847-29-8 | MFCD00868832 | 100 MG

Erythromycin lactobionate is a macrolide antibiotic produced by actinomycete *Streptomyces erythreus* with a broad spectrum of antimicrobial activity. It binds to bacterial 50S ribosomal subunits and inhibits RNA-dependent protein synthesis by blockage of transpeptidation and/or translocation reactions, without affecting synthesis of nucleic acid. Erythromycin lactobionate also exhibits antitumor and neuroprotective effects in different fields of research.

Inhibits RNA-dependent protein synthesis
Exhibits antitumor effects
Provides neuroprotective benefits
Inhibits growth of *P. falciparum*
Shows antioxidant properties
Reduces inflammation by suppressing 4-HNE and 8-OHdG, and reducing Iba-1 and TNF-a expression

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1,759

Medchemexpress LLC HY-19535A 5mg Medchemexpress, Nemiralisib CAS:1254036-71-9 Purity:>98%

Medchemexpress, HY-19535A 5mg Nemiralisib CAS:1254036-71-9 Nemiralisib (GSK2269557 free base) is a potent and highly selective PI3Kδ inhibitor with a pKi of 9.9. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.

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1,760

Medchemexpress LLC HY-17620 5mg Medchemexpress, Sacubitrilat CAS:149709-44-4 Purity:>98%

Medchemexpress, HY-17620 5mg Sacubitrilat CAS:149709-44-4 Sacubitrilat is an active neprilysin (NEP) inhibitor. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.

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1,761

Medchemexpress LLC Dirithromycin | 62013-04-1 | 98.0% | 1 ML

Dirithromycin is a potent, orally active, semi-synthetic macrolide antibiotic derived from Erythromycin. It demonstrates activity against gram-positive bacteria, Legionella spp., Helicobacter pylori, and Chlamydia trachomatis. This product is intended for research use only.

Semi-synthetic macrolide antibiotic
Derived from Erythromycin
Active against gram-positive bacteria
Effective against *Legionella spp.*, *Helicobacter pylori*, and *Chlamydia trachomatis*
Demonstrates potent *in vitro* activity against *Legionella* and *Helicobacter pylori*
Effective in experimental infections caused by *S. aureus*, *S. pyogenes*, and *S. pneumoniae*

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1,762

Medchemexpress LLC Hygromycin B | 31282-04-9 | >99.9% | 10 G

Hygromycin B, also known as Hygrovetine, is an aminoglycoside antibiotic effective against both prokaryotic and eukaryotic cells. It functions by strongly inhibiting 70S and 80S ribosomes, thereby preventing protein synthesis through ribosomal translocation. Synthesized by *Streptomyces hygroscopicus*, it is widely used in research applications, including resistance selection in transgenic models.

Active against prokaryotic and eukaryotic cells
Inhibits protein synthesis by blocking 70S and 80S ribosomes
Prevents ribosomal translocation
Used in resistance selection experiments
Applicable in cell proliferation/viability assays
Suitable for Western blot and immunofluorescence analyses

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1,763

Medchemexpress LLC Isoniazid-d4 | 774596-24-6 | 99.9% | 5 MG

Isoniazid-d4 is the deuterium-labeled Isoniazid. Isoniazid (INH) is a proagent that requires activation by the bacterial catalase-peroxidase enzyme KatG. It is bactericidal to rapidly dividing mycobacteria and exhibits anti-tuberculostatic activity.

Can be utilized as a tracer
Can serve as an internal standard for quantitative analysis through methods like NMR, GC-MS, or LC-MS
Deuteration has potential to influence pharmacokinetic and metabolic profiles of drugs
Suitable for research use only

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1,764

Medchemexpress LLC Ampicillin | 69-53-4 | 99.9% | 25 G

Ampicillin is a broad-spectrum beta-lactam antibiotic effective against a variety of gram-positive and gram-negative bacteria. It has shown efficacy in various in vitro and in vivo studies.

Inhibits the growth of E. coli
Alleviates symptoms of hemorrhagic enteritis
Produces high concentrations in bile
Provides neuroprotection against ischemia-reperfusion brain injury
Reduces matrix metalloproteinase (MMP) activities
Increases glutamate transporter 1 (GLT-1) expression
Reduces medial hippocampal cell death after global forebrain ischemia

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1,765

Medchemexpress LLC Spectinomycin dihydrochloride | 21736-83-4 | 99.73% | 25 G

Spectinomycin dihydrochloride is a broad-spectrum antibiotic that inhibits the growth of various gram-positive and gram-negative organisms. It functions by selectively targeting bacterial ribosomes and interrupting protein synthesis, and acts as a noncompetitive inhibitor of td intron RNA with a Ki value of 7.2 mM.

Broad-spectrum antibiotic
Inhibits growth of gram-positive and gram-negative organisms
Selectively targets bacterial ribosomes
Interrupts protein synthesis
Acts as a noncompetitive inhibitor of td intron RNA
Inhibits polypeptide synthesis
Blocks translocation of peptidyl-tRNAs

Pricing & Availability

1,766

Medchemexpress LLC Nateglinide-d5 | 1227666-13-8 | 98.0% | 1 MG

Nateglinide-d5 is a deuterium labeled Nateglinide. Nateglinide, a D-phenylalanine derivative, is an orally active and short-acting insulinotropic agent and a DPP IV inhibitor. It inhibits ATP-sensitive K+ channels in pancreatic β-cells and is used for the treatment of type 2 (non-insulin-dependent) diabetes mellitus.

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

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1,767

Medchemexpress LLC Isonicotinic acid hydrazide-d4 | 774596-24-6 | 99.9% | 1 MG

Isoniazid-d4 is a deuterium-labeled form of Isoniazid, a proagent activated by the bacterial catalase-peroxidase enzyme KatG. It exhibits bactericidal activity against rapidly dividing mycobacteria and possesses anti-tuberculostatic properties.

Can be used as a tracer
Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Incorporates stable heavy isotopes for quantitation during drug development
Potential to affect pharmacokinetic and metabolic profiles of drugs

Pricing & Availability

1,768

Medchemexpress LLC Neomycin (sulfate) (Standard) | 1405-10-3 | 99.9% | 1 G

Neomycin sulfate is an aminoglycoside antibiotic that functions by irreversibly binding to the nuclear 30S ribosomal subunit, which blocks bacterial protein synthesis. It is utilized in cancer research and has various biochemical inhibitory actions.

Acts as a phospholipase C (PLC) inhibitor.
Inhibits the nuclear translocation of angiogenin and its associated cell proliferation and angiogenesis.
Can inhibit IP3-mediated Ca2+ release.
Can inhibit MgATP-dependent Ca2+ uptake.
Can inhibit electrical excitation-evoked skeletal muscle Ca2+ transients.
Prolonged exposure can deplete gut microbiota in specific mouse models.
May cause hearing impairment and kidney damage with prolonged exposure.

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1,769

Medchemexpress LLC Erythromycin (thiocyanate) | 7704-67-8 | 96.4% | 1 G

Erythromycin thiocyanate is a macrolide antibiotic produced by *Streptomyces erythreus*, known for its broad-spectrum antimicrobial activity. It functions by inhibiting bacterial 50S ribosomal subunits, thereby blocking RNA-dependent protein synthesis. This compound also exhibits antitumor and neuroprotective effects.

Inhibits RNA-dependent protein synthesis
Broad-spectrum antimicrobial activity
Antitumor effects
Neuroprotective effects

Pricing & Availability

1,770

Medchemexpress LLC HY-50769 50mg Medchemexpress, VTP-27999 (TFA) CAS:1013937-63-7 Purity:>98%

Medchemexpress, HY-50769 50mg VTP-27999 (TFA) CAS:1013937-63-7 VTP-27999 TFA is an alkyl amine Renin inhibitor; VTP-27999 TFA is useful for Hypertension and End-Organ Diseases. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.

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Antibiotics

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Medchemexpress LLC Streptomycin sulfate | 3810-74-0 | MFCD00037023 | 98.4% | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC HY-15260A 100mg , XL413 (hydrochloride) CAS:1169562-71-3 Purity:98% Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Erythromycin lactobionate | 3847-29-8 | MFCD00868832 | 100 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC HY-19535A 5mg Medchemexpress, Nemiralisib CAS:1254036-71-9 Purity:>98% Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC HY-17620 5mg Medchemexpress, Sacubitrilat CAS:149709-44-4 Purity:>98% Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Dirithromycin | 62013-04-1 | 98.0% | 1 ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Hygromycin B | 31282-04-9 | >99.9% | 10 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Isoniazid-d4 | 774596-24-6 | 99.9% | 5 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Ampicillin | 69-53-4 | 99.9% | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Spectinomycin dihydrochloride | 21736-83-4 | 99.73% | 25 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Nateglinide-d5 | 1227666-13-8 | 98.0% | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Isonicotinic acid hydrazide-d4 | 774596-24-6 | 99.9% | 1 MG Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Neomycin (sulfate) (Standard) | 1405-10-3 | 99.9% | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC Erythromycin (thiocyanate) | 7704-67-8 | 96.4% | 1 G Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Medchemexpress LLC HY-50769 50mg Medchemexpress, VTP-27999 (TFA) CAS:1013937-63-7 Purity:>98% Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More