Quaternary ammonium salts
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.
Medchemexpress LLC 3-(2-methoxyphenyl)-1-(2-pyridin-3-ylquinazolin-4-yl)urea | 280570-45-8 | 99.0% | 371.39 g/mol | C21H17N5O2 | 10 MG
VUF-5574 is a potent, selective antagonist of the adenosine A3 receptor used in pharmacology research to probe A3 receptor binding and signaling. It exhibits high affinity for the human recombinant A3 receptor and is supplied as a high-purity research compound.
- Selective antagonist of adenosine A3 receptor (Ki = 4.03 nM)
- High purity (99.0%)
- Chemical formula C21H17N5O2; molecular weight 371.39 g/mol
- Soluble in DMSO (≈100 mg/mL); formulatable for in vivo (10% DMSO/90% corn oil)
- Recommended storage: powder -20°C; in solvent -80°C for long-term
- Supplied in small research pack sizes suitable for in vitro and in vivo studies
Medchemexpress LLC Tetraethylammonium bromide | 71-91-0 | MFCD00011825 | 98.0% | 210.16 g/mol | C8H20BrN | 1000 G
Tetraethylammonium bromide is a quaternary ammonium salt used as a laboratory reagent and phase-transfer agent. It supplies the tetraethylammonium cation paired with bromide and is commonly used in synthetic chemistry and ion-channel research. The product is typically supplied as a high-purity crystalline solid for analytical and preparative applications.
- Acts as a phase-transfer catalyst to facilitate reactions between immiscible phases.
- Used as a reagent in ion-channel and electrophysiology studies.
- High purity suitable for analytical and synthetic work.
- Crystalline solid, readily soluble in polar solvents such as water and alcohols.
- Available in multiple package sizes for lab-scale and bulk use.
Medchemexpress LLC Tetrabutylammonium difluorotriphenylsilicate(IV) (TBAT) | 163931-61-1 | 539.86 | 50 G
Tetrabutylammonium difluorotriphenylsilicate(IV) (TBAT) is an organic compound commonly used as a catalyst and surfactant. It can play a catalytic role in some organic synthesis reactions, and can be used as a cleaning agent, lubricant, and stabilizer. The compound is also widely used in certain industrial fields, such as in plastic, rubber, and textile manufacturing processes. It is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
- Acts as a catalyst in organic synthesis reactions.
- Functions as a cleaning agent, lubricant, and stabilizer.
- Applied in industrial fields, including plastic, rubber, and textile manufacturing processes.
- Suitable as a biochemical reagent for life science research.
Sigma Aldrich Fine Chemicals Biosciences Choline bitartrate | 87-67-2 | 100G
Choline bitartrate | Mol Wt: 253.25 | 87-67-2 | 100G
Medchemexpress LLC Tetrabutylammonium difluorotriphenylsilicate(IV) (TBAT) | 163931-61-1 | 539.86 | 100 G
Tetrabutylammonium difluorotriphenylsilicate(IV) (TBAT) is an organic compound that serves as a catalyst and surfactant. It is utilized in various organic synthesis reactions as a catalytic agent and also functions as a cleaning agent, lubricant, and stabilizer. The compound finds extensive application in industrial sectors, including plastic, rubber, and textile manufacturing processes.
- Functions as a catalyst and surfactant.
- Can be used as a cleaning agent, lubricant, and stabilizer.
- Widely used in industrial fields such as plastic, rubber, and textile manufacturing processes.
- Biochemical reagent for life science-related research.
Medchemexpress LLC Tetrabutylammonium difluorotriphenylsilicate(IV) | 163931-61-1 | 539.86 | 25 G
Tetrabutylammonium difluorotriphenylsilicate(IV) | 163931-61-1 | 539.86 | 25 G
eMolecules Tetrabutylammonium tetraphenylborate | 15522-59-5 | MFCD00011749 | 25g
Combi-Blocks | Tetrabutylammonium tetraphenylborate | 25g | 415500617 | QF-9758 | 98.000 | 15522-59-5 | MFCD00011749 | 561.710 | C40H56BN
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eMolecules AstaTech / TETRAETHYLAMMONIUM CYANIDE / 1g / 323609274 / F14815 / 95.000 / 13435-20-6 / MFCD00066552 / 156.273 / C9H20N2
AstaTech / TETRAETHYLAMMONIUM CYANIDE / 1g / 323609274 / F14815 / 95.000 / 13435-20-6 / MFCD00066552 / 156.273 / C9H20N2
Selleck Chemical LLC Choline Fenofibrate
Choline fenofibrate(ABT-335) is a newly developed choline salt of fenofibric acid a synthetic phenoxy-isobutyric acid derivate with antihyperlipidemic activity that acts as an PPAR agonist
eMolecules Acetylthiocholine iodide | 5G | Ships from Wood Dale, IL | Chem-Impex | 1866-15-5 | MFCD00011819 | MW: 289.18
Chem-Impex | Acetylthiocholine iodide | 5G | 1866-15-5 | MFCD11044270 | MW:282.18
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