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Tetrabutylammonium Hydrogen Sulfate (CAS 32503-27-8), also known as TBAHS or Tetrabutylammonium Bisulfate, is a quaternary ammonium salt used in organic synthesis and as an ion-pair reagent for HPLC.
Tetrapropylammonium Bromide (CAS 1941-30-6) is a quaternary ammonium salt with the molecular formula C12H28BrN. It is used as a reagent in chemical synthesis and related research applications.
Benzyltrimethylammonium Bromide (CAS 5350-41-4) is a quaternary ammonium salt used as a chemical reagent and intermediate in organic synthesis, including selected catalytic applications.
Benzyltriethylammonium Bromide (CAS 5197-95-5) is a quaternary ammonium salt used as a phase-transfer catalyst and reagent in organic synthesis.
Benzyltrimethylammonium Chloride (CAS 56-93-9) is a quaternary ammonium salt used as a phase-transfer catalyst, chemical intermediate and processing aid in selected industrial applications.
Tetraethylammonium Bromide (CAS 71-91-0) is a quaternary ammonium salt with the molecular formula C8H20BrN. It is used in chemical synthesis, including as a phase-transfer catalyst and laboratory reagent.