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Substance Name: Melanophore-dispersing hormone
RN: 9046-72-4


  • Crustacean neuro-octadecapeptide; found in melanophores; release may be triggered by norepinephrine; DRPH is referred to as alpha-PDH; beta-PDH has Asp in place of Glu at postion 17.
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Names and Synonyms

Name of Substance

  • Melanophore-dispersing hormone


  • alpha-Pdh
  • Crustacean pigment-dispersing hormone
  • Distal retinal pigment hormone
  • DRPH
  • Melanin-dispersing hormone
  • Pigment-dispersing hormone
  • Red pigment-dispersing hormone

Systematic Name

  • Melanin-dispersing hormone

Registry Numbers

CAS Registry Number

  • 9046-72-4

System Generated Number

  • 0009046724