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Substance Name: Pentafilcon A [USAN]
RN: 82571-55-9

Classification Code

  • Contact Lens Material (Hydrophilic)

Molecular Formula

  • (C6-H10-O3)v X (C9-H15-N-O2)w X (C4-H6-O2)x X (C5-H8-O2)y X (C10-H14-O4)z

Molecular Weight

  • 683.7867
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Names and Synonyms

Name of Substance

  • Pentafilcon A [USAN]


  • 2-Hydroxyethyl methacrylate polymer with N-(1,1-dimethyl-3-oxobutyl)acrylamide, methacrylic acid, methyl methacrylate and ethylene dimethacrylate
  • E-40
  • E-50
  • E-52
  • E-60
  • Pentafilcon A

Systematic Name

  • 2-Propenoic acid, 2-hydroxyethyl 2-methyl-, polymer with N-(1,1-dimethyl-3-oxobutyl)-2-propenamide, 2-methyl-2-propenoic acid, methyl 2-methyl-2-propenoate and 1,2-ethanediyl bis(2-methyl-2-propenoate

Registry Numbers

CAS Registry Number

  • 82571-55-9

System Generated Number

  • 0082571559

Molecular Formulas

Molecular Formula

  • (C6-H10-O3)v X (C9-H15-N-O2)w X (C4-H6-O2)x X (C5-H8-O2)y X (C10-H14-O4)z

Molecular Formula Fragments

  • (C10-H14-O4)z
  • (C4-H6-O2)x
  • (C5-H8-O2)y
  • (C6-H10-O3)v
  • (C9-H15-N-O2)w