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Tocris™ FR 139317

Highly potent, selective ETA antagonist

Manufacturer: tocris™  1210/50

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For Research Use Only

Catalog No. 121050R


Description & Specifications


Product Type FR 139317
Inhibitors FR 139317
Purity >99
Molecular Weight 604.75
Quantity 50mg

A highly potent and selective ETA endothelin receptor antagonist (Ki values are 1nM and 7.3μM at ETA and ETB subtypes respectively). Active in vivo.

  • Chemical Name: N-[N-[N-[(Hexahydro-1H-azepin-1-yl)carbonyl]-L-leucyl]-1-methyl-D-tryptophyl]-3-(2-pyridinyl)-D-alanine
  • Formula: C33H44N6O5
  • CAS Number: 142375-60-8
  • Solubility: Soluble to 100mM in 1eq. HCl and to 100mM in DMSO
  • Purity: >99