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Substance Name: Peginterferon Alfa-2b [USAN:INN:BAN]
RN: 215647-85-1


  • NCI: A covalent conjugate of recombinant interferon alpha, subtype 2b, and polyethylene glycol (PEG), used as an antiviral and antineoplastic agent. The biological activity of this agent is derived from its interferon alpha-2b protein moiety. more ...(NCI Thesaurus)

Molecular Formula

  • Unspecified

Molecular Weight

  • 118.1112

Classification Codes

  • Anti-Infective Agents
  • Antiviral (COVID-19)
  • Antiviral Agents

Names and Synonyms

Name of Substance

  • Peginterferon Alfa-2b [USAN:INN:BAN]


  • HSDB 8139
  • Monocarboxyinterferon alfa-2b, diesters with polyethylene glycol monomethyl ether. The molecular mass of the pegylated part may be indicated in the name by adding a number, for example: peginterferon alfa-2b (12KD)
  • PEG INF alfa-2b
  • PEG-IFNalpha-2b
  • PEG-interferon alfa 2b
  • Peg-Intron
  • Peg-proline-INFalpha-2b
  • Pegaferon
  • pegIFN alfa-2b
  • Peginterferon alfa-2b
  • Peginterferon alpha-2B
  • PegIntron
  • Pegylated alfa interferon
  • Pegylated interferon alfa-2b
  • Pegylated Interferon-Alfa 2B
  • Pegylated, recombinant interferon alfa-2b
  • pegylated-interferon alfa 2b
  • Polyethylene glycol-interferon alfa-2b
  • SCH 054031
  • Sch 54031
  • Sylatron
  • UNII-G8RGG88B68
  • ViraferonPeg

Systematic Name

  • Interferon alpha-2b (human), pegylated

Registry Numbers

CAS Registry Number

  • 215647-85-1


  • G8RGG88B68

System Generated Number

  • 0215647851

Structure Descriptors