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Substance Name: MR 256
RN: 119314-69-1


  • Prostaglandin oligomeric derivative; inhibits several lipolytic and proteolytic enzymes.

Molecular Formula

  • (C20-H34-O5)x-

Molecular Weight

  • 354.4836
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Names and Synonyms

Name of Substance

  • MR 256


  • MR-256
  • PGE1 Oligomer

Systematic Name

  • Prost-13-en-1-oic acid, 11,15-dihydroxy-9-oxo-, (11alpha,13E,15S)-, homopolymer

Registry Numbers

CAS Registry Number

  • 119314-69-1

System Generated Number

  • 0119314691

Molecular Formulas

Molecular Formula

  • (C20-H34-O5)x-

Molecular Formula Fragments

  • C20-H34-O5