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Substance Name: Insulin, leu(B25)-
RN: 78564-74-6


  • Semisynthetic insulin analog; mutant insulin found in patient with hyperinsulinemic diabetes mellitus; Leu substitutes for Phe in position 25 in B chain.
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Names and Synonyms

Name of Substance

  • Insulin, leu(B25)-


  • B25-Leu-insulin
  • B25-Leucine-insulin
  • Insulin chicago
  • Insulin, leucine(B25)-

Systematic Name

  • Insulin, 8A-L-threonine-10A-L-isoleucine-25B-L-leucine-30B-L-threonine-

Registry Numbers

CAS Registry Number

  • 78564-74-6

System Generated Number

  • 0078564746