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Cat. No. Product Name Information
PC-23820

BQ-788

ETB receptor antagonist

BQ-788 is a potent, selective endothelin-B receptor (ETB) antagonist with IC50 of 1.2 nM for inhibition of ET-1 binding to human Girardi heart cells, >1000-fold selective over ETA receptor.
PC-23819

IRL-2500

ETB receptor antagonist

IRL-2500 (IRL 2500) is a potent and selective endothelin-B receptor (ETB) antagonist, inhibits binding of [125I]-endothelin-1 (ET-1) to human ETB with IC50 of 1.3 nM, 70-fold selective over ETA receptor.
PC-23409

Clazosentan

ETA antagonist

Clazosentan (Ro 61-1790) is a potent, selective endothelin A (ETA) receptor antagonist, 1000-fold selectivity for the ETA over ETB receptor on functional assays.
PC-22810

BQ3020 ammonium

ETB receptor agonist

BQ3020 ammonium is a potent, selective endothelin receptor (ETB receptor) agonist, inhibits [125I] ET-1 binding to ETB receptor with IC50 of 0.2 nM.
PC-20918

Bosentan

ETA receptor inhibitor

Bosentan (Ro 47-0203) is a potent, competitive and dual antagonist of endothelin-1 (ET) for the ETA and ETB receptors with Ki of 4.7 nM and 95 nM in human SMC, respectively.

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