Quaternary ammonium salts
Selleck Chemical LLC L-carnitine-50mg
L-carnitine (Levocarnitine,Carnitor, vitamin BT, Karnitin,L(-)-Carnitine) is constituent of striated muscle and liver. It is used therapeutically to stimulate gastric and pancreatic secretions and in the treatment of hyperlipoproteinemias.
Apexbio Technology LLC Choline Fenofibrate 50mg
A3308 is a small molecule designed for biomedical research applications though detailed structural and registry data are currently unavailable Its mechanism of action centers on modulating specific cellular pathways enabling the investigation of signaling events critical to various physiological and pathological processes A3308 s utility is primarily as a research tool to elucidate molecular targets and cellular responses supporting studies in signal transduction pathway characterization and potential therapeutic target identification
Medchemexpress LLC O-Acetyl-L-carnitine | 3040-38-8 | 99.86% | 203.24 | 1 ML
O-Acetyl-L-carnitine | 3040-38-8 | 99.86% | 203.24 | 1 ML
Medchemexpress LLC Cholic acid sodium | 361-09-1 | 99.9% | 430.55 | 10 G
Cholic acid sodium is an endogenous metabolite and a major primary bile acid that is produced in the liver and typically conjugated with glycine or taurine. It plays a role in facilitating fat absorption and cholesterol excretion and is orally active. This product is intended for research use only.
- Major primary bile acid.
- Produced in the liver and typically conjugated with glycine or taurine.
- Facilitates fat absorption and cholesterol excretion.
- Orally active.
- Competitively binds Na+/taurocholate cotransporting polypeptide (NTCP) on HepG2 cells, inhibiting the uptake of CA-nanoliposomes-Doxorubicin-HCl.
- In vivo, it has been shown to decrease SHP protein expression and increase CYP2D6 expression and activity.
Medchemexpress LLC Choline (bitartrate) (standard) | 87-67-2 | MFCD00036332 | 98.4% | 253.25 g/mol | C9H19NO7 | 100 MG
Choline (bitartrate) (standard) is an analytical reference standard of choline in its bitartrate salt form, provided as a white crystalline powder for laboratory and analytical use. It functions as a methyl donor and precursor to acetylcholine, and is intended for assay calibration, method development, and quality control in research and analytical laboratories. CAS 87-67-2; molecular weight 253.25 g/mol.
- High purity (98.44%) confirmed by Q-NMR.
- Intended for use as an analytical reference standard and assay calibration.
- White crystalline powder form suitable for accurate weighing and dissolution.
- Documented molecular formula and molecular weight for traceable characterization.
- COA and SDS available for batch-specific safety and quality information.
eMolecules Triethylphosphonium tetrafluoroborate, 99% | | MFCD03788938 | 1g
Strem Chemicals | Triethylphosphonium tetrafluoroborate, 99% | 1g | 321336666 | 15-6355 | 99.000 | | MFCD03788938 | 205.970 | C6H16BF4P
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Medchemexpress LLC Tetrabutylammonium trifluoromethanesulfonate | 35895-70-6 | MFCD00042585 | 98.0% | 391.53 g/mol | C17H36F3NO3S | 10 G
Tetrabutylammonium trifluoromethanesulfonate is a quaternary ammonium salt used as a reagent and phase-transfer catalyst in organic synthesis and biochemical assays. It provides a lipophilic tetrabutylammonium cation paired with a non-coordinating trifluoromethanesulfonate anion, enabling solubilization of ionic species in organic media.
- Purity 98.0%.
- Molecular weight 391.53 g/mol.
- Chemical formula C17H36F3NO3S.
- CAS number 35895-70-6.
- Store at 4°C, sealed and away from moisture.
- Available in small pack sizes for laboratory use.
Medchemexpress LLC Choline Fenofibrate | 856676-23-8 | 99.5% | 421.91 | 100 MG
Choline Fenofibrate (ABT-335) is a choline salt of Fenofibric acid that releases free Fenofibric acid in the gastrointestinal tract. Fenofibric acid is a PPAR activator with an antihyperlipidemic effect. It is for research use only and not sold to patients.
- PPAR activator
- Antihyperlipidemic effect
- Excellent absolute oral bioavailability (rat 93.4%)
- High Cmax (rat 7944.2 ng/mL) after oral administration
- Terminal elimination half-life (rat 5.4 h) after intravenous injection
Medchemexpress LLC D13-9001 | 957471-96-4 | 99.9% | 693.78 g·mol⁻¹ | C31H39N11O6S | 10MG
D13-9001 is a small-molecule bacterial efflux pump inhibitor that selectively targets RND-family transporters AcrB and MexB. It binds AcrB and MexB with reported KD values of 1.15 μM and 3.57 μM, respectively, and demonstrates antibiotic activity in vitro. The compound is supplied for research use in multiple pack sizes, including a 10 mg option.
- Inhibits AcrB and MexB efflux pump subunits.
- Measured KD values of 1.15 μM (AcrB) and 3.57 μM (MexB).
- Molecular weight 693.78 g·mol⁻¹ and formula C31H39N11O6S.
- High purity: 99.85% (typical).
- Suitable for in vitro antibiotic activity and efflux pump studies.
- Available in small research pack sizes, including 10 mg.
Apexbio Technology LLC NS 1643 448895-37-2 10mg
NS 1643 (CAS 448895-37-2) is a small-molecule partial agonist of the human hERG potassium channel exhibiting an EC50 of 10 5 M In murine models of triple-negative breast cancer (TNBC) NS 1643 has been shown to inhibit tumor growth via specific signaling pathways Experimental studies demonstrate that NS 1643 suppresses both migration and invasion of breast cancer cells Due to these properties NS 1643 serves as a valuable tool for investigating hERG channel modulation and its impact on cancer cell behavior with potential applications in preclinical oncology research
Apexbio Technology LLC Tetraethylammonium chloride 56-34-8 50mg
Tetraethylammonium chloride (CAS 56-34-8) is a quaternary ammonium compound widely used as a potassium channel blocker in pharmacological and physiological studies It inhibits potassium channels by binding to internal and external sites at the channel pore thereby blocking ion conduction This property enables its use in investigations of potassium channel structure function and mutagenesis In vitro tetraethylammonium compounds have been essential for probing channel permeability and gating mechanisms In vivo studies indicate that TEA attenuates taurine-induced vasorelaxation in rat arteries Clinically its ganglionic blocking activity has been explored for circulatory disorders
Medchemexpress LLC Choline (bitartrate) | 87-67-2 | MFCD31726185 | 98.4% | 253.25 g/mol | C9H19NO7 | 10 MG
Choline (bitartrate) is an analytical reference standard of choline supplied as a white to off-white solid and intended for research and analytical applications such as calibration, method development, and quality control. It has a molecular weight of 253.25 g/mol and is provided with supporting documentation for safe and consistent use.
- High purity suitable for analytical use.
- White to off-white solid physical form.
- Available in small quantities for trace-level calibration.
- Includes certificate of analysis and safety data sheet.
- Suitable for method development and quality control.
eMolecules Acetylthiocholine iodide | 100G | Ships from Wood Dale, IL | Chem-Impex | 1866-15-5 | MFCD00011819 | MW: 289.18
Chem-Impex | Acetylthiocholine iodide | 100G | 1866-15-5 | MFCD11044274 | MW:282.218
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