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Substance Name: Naptumomab estafenatox [INN]
RN: 676258-98-3
UNII: 93T929W6LC


  • A recombinant fusion protein developed from ABR-214936,6 consisting of a mutated variant of the superantigen (SAg) SEA/E-1207 linked to a fragment antigen binding (Fab) moiety of a monoclonal antibody recognizing the tumor-associated oncofetal trophoblast glycoprotein antigen 5T4.

Molecular Formula

  • Unspecified
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Names and Synonyms

Name of Substance

  • Naptumomab estafenatox
  • Naptumomab estafenatox [INN]


  • ABR 217620
  • ABR-217620
  • Naptumomab estafenatox
  • Superanigen ABR-217620
  • UNII-93T929W6LC

Systematic Name

  • Superanigen ABR-217620 (synthetic)

Registry Numbers

CAS Registry Number

  • 676258-98-3


  • 93T929W6LC

System Generated Number

  • 0676258983