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Substance Name: Mepolizumab [USAN:INN]
RN: 196078-29-2
UNII: 90Z2UF0E52


  • A humanized monoclonal antibody to IL-5 in cynomolgus monkeys.

Molecular Formula

  • Unspecified

Classification Code

  • Immunomodulator (Monoclonal Antibody)
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Names and Synonyms

Name of Substance

  • Mepolizumab
  • Mepolizumab [USAN:INN]


  • Bosatria
  • Immunoglobulin G1 (human-mouse monoclonal SB-240563 gamma1-chain anti-human interleukin 5), disulfide with human-mouse monoclonal SB-240563 kappa-chain, dimer. Molecular weight is approximately 146,000 daltons
  • Mepolizumab
  • Nucala
  • SB 240563
  • SB-240563
  • SB240563
  • UNII-90Z2UF0E52

Systematic Name

  • Immunoglobulin G1, anti-(human interleukin 5) (human-mouse monoclonal SB-240563 gamma1-chain), disulfide with human-mouse monoclonal SB-240563 kappa-chain, dimer

Registry Numbers

CAS Registry Number

  • 196078-29-2


  • 90Z2UF0E52

System Generated Number

  • 0196078292