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Substance Name: DAS181
RN: 946032-08-2
UNII: 227R1C272Q


  • Antiviral; a sialidase fusion protein (consisting of sialidase catalytic domain derived from Actinomyces viscosus fused with respiratory epithelium-anchoring domain) that protects mice from lethal avian influenza H5N1 virus infection.
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Names and Synonyms

Name of Substance

  • DAS181


  • DAS 181
  • Fludase
  • UNII-227R1C272Q

Systematic Name

  • 273-666-Neuraminidase (273-methionine) (Actinomyces viscosus clone DAS181) fusion protein with 125-145-preproamphiregulin (human)

Registry Numbers

CAS Registry Number

  • 946032-08-2


  • 227R1C272Q

System Generated Number

  • 0946032082