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Substance Name: Interferon beta-1a [USAN:INN:BAN]
RN: 145258-61-3


  • An interferon beta-1 subtype that has a methionine at position 1, a cysteine at position 17, and is glycosylated at position 80. It functions as an ANTI-VIRAL AGENT and IMMUNOMODULATOR and is used to manage the symptoms of RELAPSING-REMITTING MULTIPLE SCLEROSIS.
  • An interferon beta-1 subtype that has methionine at position 1 and cysteine at 17 and is glycosylated at position 80.

Molecular Formula

  • C908-H1406-N246-O252-S7

Molecular Weight

  • 20025.0274

Classification Codes

  • Adjuvants, Immunologic
  • Anti-Infective Agents
  • Antineoplastic
  • Antineoplastic Agents
  • Antiviral Agents
  • Biological Response Modifier
  • Immunologic Factors

Names and Synonyms

Name of Substance

  • Interferon beta 1a
  • Interferon beta-1a [USAN:INN:BAN]

MeSH Heading

  • Interferon beta-1a


  • HSDB 8135
  • Interferon beta-1a
  • Neoferon
  • Recombinant human interferon beta 1a
  • UNII-XRO4566Q4R

Systematic Name

  • Interferon beta1 (human fibroblast protein moiety)

Registry Numbers

CAS Registry Number

  • 145258-61-3


  • XRO4566Q4R

System Generated Number

  • 0145258613