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Atomfair 2-Hydroxy-N,N,N-trimethylethanaminium 4-methylbenzenesulfonate Choline tosylate C12H21NO4S CAS 55357-38-5

2-Hydroxy-N,N,N-trimethylethanaminium 4-methylbenzenesulfonate (CAS No. 55357-38-5), also known as Choline tosylate , is a high-purity quaternary ammonium salt widely utilized in organic synthesis and pharmaceutical research. With the molecular formula C12H21NO4S , this compound is characterized by its crystalline structure and excellent solubility in polar solvents. It serves as a versatile reagent, particularly in esterification and transesterification reactions, due to its mild and non-corrosive nature. Ideal for laboratory-scale applications, our product is rigorously tested to ensure >98% purity, making it suitable for sensitive chemical processes. Each batch is supplied with comprehensive analytical documentation, including HPLC and NMR data, to guarantee consistency…

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Description

2-Hydroxy-N,N,N-trimethylethanaminium 4-methylbenzenesulfonate (CAS No. 55357-38-5), also known as Choline tosylate, is a high-purity quaternary ammonium salt widely utilized in organic synthesis and pharmaceutical research. With the molecular formula C12H21NO4S, this compound is characterized by its crystalline structure and excellent solubility in polar solvents. It serves as a versatile reagent, particularly in esterification and transesterification reactions, due to its mild and non-corrosive nature. Ideal for laboratory-scale applications, our product is rigorously tested to ensure >98% purity, making it suitable for sensitive chemical processes. Each batch is supplied with comprehensive analytical documentation, including HPLC and NMR data, to guarantee consistency and reliability for researchers.

Properties

  • CAS Number: 55357-38-5
  • Complexity: 240
  • IUPAC Name: 2-hydroxyethyl(trimethyl)ammonium;4-methylbenzenesulfonate
  • InChI: InChI=1S/C7H8O3S.C5H14NO/c1-6-2-4-7(5-3-6)11(8,9)10;1-6(2,3)4-5-7/h2-5H,1H3,(H,8,9,10);7H,4-5H2,1-3H3/q;+1/p-1
  • InChI Key: DVGVMQVOCJNXNJ-UHFFFAOYSA-M
  • Exact Mass: 275.11912932
  • Molecular Formula: C12H21NO4S
  • Molecular Weight: 275.37
  • SMILES: CC1=CC=C(C=C1)S(=O)(=O)[O-].C[N+](C)(C)CCO
  • Topological: 85.8
  • Monoisotopic Mass: 275.11912932
  • Synonyms: Choline tosylate, 55357-38-5, 2-Hydroxy-N,N,N-trimethylethanaminium 4-methylbenzenesulfonate, choline p-toluenesulfonate salt, MFCD00079051, 2-hydroxyethyl(trimethyl)azanium;4-methylbenzenesulfonate, choline p-toluenesulfonate, Choline Toluenesulfonate, SCHEMBL506429, FCA35738, AKOS015895068, Choline p-toluenesulfonate salt, ~99%, HY-W100403, BS-17581, SY046622, DB-052721, CS-0153045, D70941, (2-Hydroxyethyl)trimethylammonium p-toluenesulfonate, 4-Methylbenzenesulfonate 2-Hydroxy-N,N,N-trimethylethanaminium, 2-Hydroxy-N,N,N-trimethylethan-1-aminium 4-methylbenzenesulfonate

Application

Choline tosylate is extensively employed as a catalyst in organic synthesis, particularly for the formation of esters and lactones under mild conditions. It is also used in pharmaceutical research as a precursor for choline-based ionic liquids, which have applications in drug delivery systems. Additionally, this compound finds utility in the preparation of specialty surfactants and as a stabilizing agent in polymer chemistry.

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

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Certain molecules may be protected by active patents or regulatory restrictions.

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  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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