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Substance Name: WR 142FPG
RN: 66240-89-9


  • Mutant of WR 142 isolated from Streptomyces olivaceus.

Classification Codes

  • Drug / Therapeutic Agent
  • Natural Product
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Names and Synonyms

Name of Substance

  • WR 142FPG


  • WR142-Fpg

Systematic Names

  • Antibiotic WR 142FPG
  • Antibiotic WR142-fpg

Registry Numbers

CAS Registry Number

  • 66240-89-9

System Generated Number

  • 0066240899


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 5mg/kg (5mg/kg)   Archivum Immunologiae et Therapiae Experimentalis. Vol. 25, Pg. 273, 1977.