FR 139317

Cat. No. 1210

FR 139317 C33H44N6O5 [142375-60-8]

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Chemical Name: N-[N-[N-[(Hexahydro-1H-azepin-1-yl)carbonyl]-L-leucyl]-1-methyl-D-tryptophyl]-3-(2-pyridinyl)-D-alanine

Biological Activity

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

Technical Data

Soluble to 100 mM in 1eq. HCl and to 100 mM in DMSO
>99 %
Desiccate at +4°C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Aramori et al (1993) Subtype selectivity of a novel endothelin antagonist, FR139317, for the two endothelin receptors in transfected Chinese hamster ovary cells. Mol.Pharmacol. 43 127. PMID: 8429819.

Sogabe et al (1993) Pharmacological profile of FR139317, a novel, potent endothelin ETA receptor antagonist. J.Pharmacol.Exp.Ther. 264 1040. PMID: 8450448.

Rubanyi and Polokoff (1994) Endothelins: molecular biology, biochemistry, pharmacology, physiology, and pathophysiology. Pharmacol.Rev. 46 325. PMID: 7831383.

Palacios et al (2002) Role of endothelin ETA- and ETB-receptors in haemodynamic compensation following haemorrhage in anaesthetized rats. Br.J.Pharmacol. 135 876. PMID: 11861314.

If you know of a relevant citation for this product please let us know.

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Keywords: FR 139317, supplier, potent, selective, ETA, antagonists, Receptors, ET, EndothelinA, FR139317, ETA Receptor Antagonists

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