Date published: 2025-10-2

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p-Tolyl Sulfate Potassium Salt (CAS 91978-69-7)

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Alternate Names:
Mono(4-methylphenyl) Ester Sulfuric Acid Potassium Salt; p-Methylphenyl Potassium Sulfate; p-Cresol Sulfate Potassium Salt
CAS Number:
91978-69-7
Molecular Weight:
226.29
Molecular Formula:
C7H7KO4S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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p-Tolyl Sulfate Potassium Salt, derived from the secondary metabolism of p-cresol, is the primary component of urinary myelin basic protein-like material. In the synthesis of organic compounds, p-Tolyl Sulfate Potassium Salt serves as a catalyst. It facilitates the reaction between p-toluenesulfonic acid and potassium hydroxide by acting as a proton donor. By increasing the reaction rate, it enables the synthesis of complex compounds.


p-Tolyl Sulfate Potassium Salt (CAS 91978-69-7) References

  1. Mechanisms of Metabolism Interaction Between p-Cresol and Mycophenolic Acid.  |  Rong, Y. and Kiang, TKL. 2020. Toxicol Sci. 173: 267-279. PMID: 31742356
  2. Characterization of human sulfotransferases catalyzing the formation of p-cresol sulfate and identification of mefenamic acid as a potent metabolism inhibitor and potential therapeutic agent for detoxification.  |  Rong, Y. and Kiang, TKL. 2021. Toxicol Appl Pharmacol. 425: 115553. PMID: 33915121
  3. Effects of p-Cresol on Oxidative Stress, Glutathione Depletion, and Necrosis in HepaRG Cells: Comparisons to Other Uremic Toxins and the Role of p-Cresol Glucuronide Formation.  |  Zhu, S., et al. 2021. Pharmaceutics. 13: PMID: 34207666

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

p-Tolyl Sulfate Potassium Salt, 1 g

sc-474752
1 g
$360.00

p-Tolyl Sulfate Potassium Salt, 10 g

sc-474752A
10 g
$2500.00