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Substance Name: beta-Endorphin (6-31)
RN: 77761-27-4


  • Endogenous inhibitor of beta-endorphin (human); corresponds to human beta-endorphin sequence without the Met-enkephalin segment; shown to inhibit beta-endorphin & morphine induced analgesia.
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Names and Synonyms

Name of Substance

  • beta-Endorphin (6-31)


  • beta-Endorphin-(6-31)

Systematic Name

  • beta-Endorphin, 1-de-L-tyrosine-2-deglycine-3-deglycine-4-de-L-phenylalanine-5-de-L-methionine-27-L-tyrosine-31-L-glutamic acid-, (R-(E))-

Registry Numbers

CAS Registry Number

  • 77761-27-4

System Generated Number

  • 0077761274