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Substance Name: Polyhistidine
RN: 26062-48-6


  • Polyhistidine fusion tag, usually consisting of six consecutive histidines added to the end of a protein, allows easy purification with metal-chelate resins.

Molecular Formula

  • (C6-H9-N3-O2)x-

Molecular Weight

  • 155.156
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Names and Synonyms

Name of Substance

  • Polyhistidine


  • Poly(L-histidine)

Systematic Name

  • L-Histidine, homopolymer

Registry Numbers

CAS Registry Number

  • 26062-48-6

System Generated Number

  • 0026062486

Molecular Formulas

Molecular Formula

  • (C6-H9-N3-O2)x-

Molecular Formula Fragments

  • C6-H9-N3-O2

Structure Descriptors