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Substance Name: Polyterephthalic acid anhydride
RN: 26913-45-1


  • Used as vehicle in controlled drug delivery systems.

Molecular Formula

  • (C8-H4-O3)mult-
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Names and Synonyms

Name of Substance

  • Polyterephthalic acid anhydride


  • PPAA

Systematic Name

  • Poly(oxycarbonyl-1,4-phenylenecarbonyl)

Registry Numbers

CAS Registry Number

  • 26913-45-1

System Generated Number

  • 0026913451

Molecular Formulas

Molecular Formula

  • (C8-H4-O3)mult-

Molecular Formula Fragments

  • C8-H4-O3