CAS 24057-28-1

Pyridinium p-toluenesulfonate

Description:

Pyridinium p-toluenesulfonate is an organic compound that serves as a versatile reagent in organic synthesis. It is a salt formed from pyridine and p-toluenesulfonic acid, characterized by its ability to act as a mild acid catalyst in various reactions, particularly in the formation of esters and ethers. This compound is typically a white to off-white crystalline solid, soluble in polar solvents such as water and alcohols, which enhances its utility in aqueous reactions. Its structure features a pyridinium cation and a p-toluenesulfonate anion, contributing to its stability and reactivity. Pyridinium p-toluenesulfonate is often used in the synthesis of complex organic molecules, including pharmaceuticals and agrochemicals, due to its effectiveness in promoting nucleophilic substitutions and facilitating the removal of protecting groups. Additionally, it is valued for its relatively low toxicity compared to other reagents, making it a safer choice in laboratory settings. Proper handling and storage are recommended to maintain its integrity and effectiveness in chemical reactions.

Formula: C₇H₈O₃S·C₅H₅N

InChI: InChI=1S/C7H8O3S.C5H5N/c1-6-2-4-7(5-3-6)11(8,9)10;1-2-4-6-5-3-1/h2-5H,1H3,(H,8,9,10);1-5H

InChI key: InChIKey=ZDYVRSLAEXCVBX-UHFFFAOYSA-N

SMILES: C=1C=CN=CC1.S(=O)(=O)(O)C1=CC=C(C)C=C1

Synonyms:

• 4-Methylbenzene-1-Sulfonic Acid Pyridine
• 4-Methylbenzenesulfonic acid pyridinium salt
• Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1)
• Pyridine, 4-methylbenzenesulfonate
• Pyridine, p-toluenesulfonate
• Pyridinium p-Toluenesulfonate
• Pyridinium p-toluensulfonate
• Pyridinium p-tosylate
• Pyridinium toluene-4-sulphonate
• Pyridinium tosylate
• Pyridinum p-toluenesulfonate

Pyridinium p-Toluenesulfonate

CAS: 24057-28-1

Formula: C₅H₅N·C₇H₈O₃S

Purity: >98.0%(T)

Color and Shape: White to Almost white powder to crystal

Molecular weight: 251.30

Ref: 3B-P0942

Pyridinium p-toluenesulfonate, 98+%

CAS: 24057-28-1

Pyridinium p-Toluenesulfate is used in the synthesis of a subdomain of the cytochrome P450 BM3 enzyme, for use in screening systems for drug candidates. Efficient catalyst for preparing tetrahydropyranyl ethers. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar pro

Formula: C₁₂H₁₃NO₃S

Purity: 98+%

Color and Shape: White to cream, crystalline powder

Molecular weight: 251.30

Ref: 02-A15708

Pyridinium p-toluenesulfonate

CAS: 24057-28-1

Formula: C₁₂H₁₃NO₃S

Purity: (Titration) ≥ 98.0%

Color and Shape: White to almost white powder or crystals

Molecular weight: 251.31

Ref: 7W-GK7546

Pyridinium 4-toluenesulfonate

CAS: 24057-28-1

Formula: C₁₂H₁₃NO₃S

Purity: 98%

Color and Shape: Solid

Molecular weight: 251.3015

Ref: IN-DA003U2P

Pyridinium p-Toluenesulfonate

Controlled Product

CAS: 24057-28-1

Applications Pyridinium p-Toluenesulfate is used in the synthesis of a subdomain of the cytochrome P450 BM3 enzyme, for use in screening systems for drug candidates.
References Erkelenz, M. et al.: J. Am. Chem. Soc., 133, 16111 (2011);

Formula: C₁₂H₁₃NO₃S

Color and Shape: Neat

Molecular weight: 250.3

Ref: TR-P991605

Pyridin-1-ium 4-methylbenzenesulfonate

CAS: 24057-28-1

Pyridin-1-ium 4-methylbenzenesulfonate

Formula: C₁₂H₁₃NO₃S

Purity: 98%

Molecular weight: 251.3

Ref: IN-DG148963

Pyridinium p-toluenesulfonate

CAS: 24057-28-1

Pyridinium p-toluenesulfonate

Formula: ·C₇H₇O₃S·C₅H₆N

Purity: 98%

Color and Shape: White Solid

Molecular weight: 251.30152

Ref: 54-OR350313

Pyridinium p-Toluenesulfonate

CAS: 24057-28-1

Formula: C₅H₆N·C₇H₇O₃S

Molecular weight: 80.11 171.19

Ref: 4Z-P-142023

Pyridinium p-toluenesulfonate

CAS: 24057-28-1

Formula: C₁₂H₁₃NO₃S

Purity: 95%

Color and Shape: Solid

Molecular weight: 251.3

Ref: 10-F044338

Pyridinium p-Toluenesulfonate

CAS: 24057-28-1

Pyridinium p-toluenesulfonate is a reagent that can be used in the reduction of chloride to produce chloride ions. This process is called desulfurization. Pyridinium p-toluenesulfonate also reacts with cyclodepsipeptides, and can be used to recrystallize them. The main use for this reagent is in organic synthesis, where it can be used as an acid catalyst to synthesize polyene compounds or as a stereoselective agent for the preparation of dye cations.

Formula: C₇H₈O₃S·C₅H₅N

Purity: Min. 95%

Color and Shape: White Powder

Molecular weight: 251.3 g/mol

Ref: 3D-FP71575

Pyridium p-Toluenesulfonate (PPTS) extrapure, 98%

CAS: 24057-28-1

Formula: C₁₂H₁₃NO₃S

Molecular weight: 251.30

Ref: SR-10012

Pyridinium p-Toluenesulfonate

CAS: 24057-28-1

Formula: C₅H₆NC₇H₇O₃S

Molecular weight: 80.11 : 171.19

Ref: ST-EA-CP-P205112