Date published: 2026-4-25

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m-Aminophenyl Tosylate (CAS 3865-15-4)

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Alternate Names:
3-Aminophenol 4-Methylbenzenesulfonate (Ester); m-Aminophenol p-Toluenesulfonate; m-Aminophenol p-Toluenesulfonate (Ester)
CAS Number:
3865-15-4
Molecular Weight:
263.31
Molecular Formula:
C13H13NO3S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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m-Aminophenyl Tosylate is a chemical compound frequently used in synthetic organic chemistry as an intermediate for the introduction of the m-aminophenyl moiety into larger molecules. Its tosylate group is a good leaving group, which makes it a valuable reagent in nucleophilic substitution reactions, a fundamental type of reaction used to build complex molecular structures. This compound is particularly useful in the development of dyes, pigments, and advanced pharmaceutical intermediates, where precision and reactivity control are paramount. In materials science, researchers study its incorporation into polymers to imbue materials with specific electronic or photonic properties. Additionally, m-Aminophenyl Tosylate is used in the preparation of ligands for transition metal catalysis, contributing to the development of new catalytic processes in green chemistry.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

m-Aminophenyl Tosylate, 1 g

sc-480363
1 g
$412.00