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Substance Name: Ustiloxin B
RN: 151841-41-7


  • An antimitotic cyclic peptide; from false smut balls on rice panicles caused by Ustilaginoidea virens.

Molecular Formula

  • C26-H39-N5-O12-S
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Names and Synonyms

Results Name

  • Ustiloxin B


  • Ustiloxin B

Systematic Names

  • Glycine, (betaR)-2-((R)-((2S,4S)-4-amino-4-carboxy-2-hydroxybutyl)sulfinyl)-beta,5-dihydroxy-N-methyl-L-tyrosyl-L-alanyl-3-hydroxy-L-isoleucyl-, cyclic (15-3)-ether
  • Glycine, 2-((4-amino-4-carboxy-2-hydroxybutyl)sulfinyl)-threo-beta,5-dihydroxy-N-methyl-L-tyrosyl-L-alanyl-3-hydroxy-L-isoleucyl-, cyclic (15-3)-ether, (2S-(1(S*),2R*,4R*))-

Registry Numbers

CAS Registry Number

  • 151841-41-7

System Generated Number

  • 0151841417