Quaternary ammonium salts

Medchemexpress LLC Choline-13C2 chloride | 202190-49-6 | 98.0% | 141.61 | C5H14ClNO | 10 MG

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Choline-13C2 chloride is a stable isotope-labeled form of choline chloride used as an internal standard and tracer for metabolic, biochemical, and pharmacokinetic studies. It is supplied as a small, high-purity material intended for analytical and research applications.

• Stable isotope labeled (two 13C atoms) for mass spectrometry and NMR differentiation.
• Suitable as an internal standard for LC-MS/MS assays.
• High purity: 98.0%.
• Pack size intended for analytical use: 10 MG.
• CAS number 202190-49-6 for unambiguous identification.

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Apexbio Technology LLC Cholic acid 81-25-4 10mM (in 1mL Ethanol)

Cholic acid (CAS 81-25-4) is a naturally occurring bile acid characterized by amphipathic properties enabling it to function effectively as an ionic mild detergent under non-denaturing conditions This molecule interacts with lipid membranes altering permeability and facilitating the disruption of protein-lipid interactions without denaturing integral membrane proteins Due to this mechanism cholic acid is widely utilized in biochemical research protocols particularly for the solubilization extraction and purification of biologically active membrane proteins and receptor complexes

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Ambeed AMBEED

5000893938 TETRABUTYLAMMONIUM DIBUT 250MG

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Aqua Solutions TETRABUTYLAMMONIUM HYDR 0.05

NC2952592 TETRABUTYLAMMONIUM HYDR 0.05

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eMolecules​ 10534-59-5 | Tetrabutylammonium acetate | Chem-Impex | MFCD00043208 | 301.515 | C18H39NO2 | 97.000 | CC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC | 1kg | 322126968

Tetrabutylammonium acetate | Chem-Impex | 10534-59-5 | MFCD00043208 | 301.515 | C18H39NO2 | 97.000 | CC([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC | 1kg | 322126968

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Cambridge Isotope Laboratories Tetramethylammonium chloride (D12 98%) 1 g

Tetramethylammonium chloride (D12 98%) 1 g

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Medchemexpress LLC Tetra-n-pentylammonium chloride | 4965-17-7 | MFCD00011857 | 99.9% | 334.0 g/mol | C20H44ClN | 500 MG

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Tetra-n-pentylammonium chloride is a quaternary ammonium salt commonly used as a phase-transfer catalyst and biochemical reagent in organic synthesis and laboratory research. It is supplied as a solid with molecular formula C20H44ClN and molecular weight 334.0 g/mol, and is provided at high purity for experimental applications. Consult the product SDS for handling and safety information.

• Quaternary ammonium salt useful as a phase-transfer catalyst.
• High purity suitable for analytical and synthetic work.
• Solid form at room temperature for easy handling and storage.
• Molecular formula C20H44ClN and molecular weight 334.0 g/mol.
• Compatible with common organic solvents; follow SDS guidance for safety.

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AdipoGen Tetrabutylammonium tribromide

Chemical. CAS 38932-80-8. Formula C16H36Br3N. MW 482.18. Tetrabutylammonium tribromide TBABr3 is used as a reagent in organic synthesis, particularly in organic and organometallic chemistry. It is a quaternary ammonium salt and is composed of a tetrabutylammonium cation C16H36N and three bromide anions Br-. TBABr3 is a powerful brominating agent, to introduce bromine Br atoms into organic molecules, and it is particularly useful for bromination reactions in cases where other brominating agents might not be suitable or effective. The tetrabutylammonium cation in TBABr3 serves as a phase-transfer catalyst, facilitating the transfer of the bromide ions into the organic phase of a reaction. This allows for the selective bromination of various organic substrates. TBABr3 is used in a variety of organic reactions, including the preparation of intermediates for pharmaceuticals, and in other applications where the introduction of bromine is required.

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Sigma Aldrich Fine Chemicals Biosciences L Carnitine hydrochloride100G

L Carnitine hydrochloride100G

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Cayman Chemical L-Carntne 25g

A conditionally essential nutrient; facilitates the transport of long-chain fatty acids into the mitochondrial matrix for β-oxidation, has other diverse roles on metabolism, and is involved in the maintenance of CoA stores; plasma and/or tissue levels are decreased in primary L-carnitine deficiency; serum and tissue levels are also reduced in secondary L-carnitine deficiencies

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Medchemexpress LLC Tetramethylammonium tetrafluoroborate | 661-36-9 | MFCD00011745 | 98.0% | 160.95 g/mol | C4H12BF4N | 100 G

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Tetramethylammonium tetrafluoroborate is a reagent used in chemical and biochemical research as a source of tetramethylammonium cations paired with tetrafluoroborate anions. It is supplied as a solid suitable for synthesis, electrochemistry, and analytical applications.

• Provides tetramethylammonium cation with tetrafluoroborate anion for synthetic and electrochemical use.
• High purity: 98.0%.
• Molecular weight 160.95 g/mol; formula C4H12BF4N.
• Available in multiple sizes including 100 G for laboratory use.
• Stable when stored sealed at 4°C and protected from moisture.
• Manufacturer documentation available for handling and quality (datasheet, COA, SDS).

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eMolecules​ 56-34-8 | Tetraethylammonium chloride | Combi-Blocks | MFCD00011828 | 165.710 | C8H20ClN | 96.000 | [Cl-].CC[N+](CC)(CC)CC | 100g | 267171386

Tetraethylammonium chloride | Combi-Blocks | 56-34-8 | MFCD00011828 | 165.710 | C8H20ClN | 96.000 | [Cl-].CC[N+](CC)(CC)CC | 100g | 267171386

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eMolecules​ 32503-27-8 | Tetrabutylammonium (hydrogensulfate) | ChemScene | MFCD00011637 | 339.540 | C16H37NO4S | 98.000 | OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC | 25g | 866711121

Tetrabutylammonium (hydrogensulfate) | ChemScene | 32503-27-8 | MFCD00011637 | 339.540 | C16H37NO4S | 98.000 | OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC | 25g | 866711121

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eMolecules​ 311-28-4 | Tetrabutylammonium iodide | Combi-Blocks | MFCD00011636 | 369.375 | C16H36IN | 95.000 | [I-].CCCC[N+](CCCC)(CCCC)CCCC | 500g | 335351137

Tetrabutylammonium iodide | Combi-Blocks | 311-28-4 | MFCD00011636 | 369.375 | C16H36IN | 95.000 | [I-].CCCC[N+](CCCC)(CCCC)CCCC | 500g | 335351137

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Aqua Solutions TETRABUTYLAMMONIUM HYDR 0.5N

NC2952585 TETRABUTYLAMMONIUM HYDR 0.5N

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