Ambrisentan

Name: Ambrisentan
Brand: Tocris Bioscience
SKU: 5828

Tocris Bioscience, part of Bio-Techne | Catalog # 5828

Citations (2)

COA / SDS

Selective ETA antagonist

Key Product Details

Description:	Selective ET_A antagonist
Chemical Name:	(αS)-α-[(4,6-Dimethyl-2-pyrimidinyl)oxy]-β-methoxy-β-phenylbenzenepropanoic acid
Purity:	≥99% (HPLC)
Molecular Weight:	378.42

View Full Technical Details for Ambrisentan

Technical Data
Citations

Biological Activity for Ambrisentan

Ambrisentan is a selective endothelin receptor ET_A antagonist. Displays approximately 200-fold selectivity for ET_A over ET_B (K_i values are 1 nM and 195 nM for respectively). Prevents endothelin-induced sudden death in rats.

Compound Libraries for Ambrisentan

Ambrisentan is also offered as part of the Tocriscreen 2.0 Max and Tocriscreen FDA-Approved Drugs. Find out more about compound libraries available from Tocris.

Technical Data for Ambrisentan

M. Wt	378.42
Formula	C₂₂H₂₂N₂O₄
Storage	Store at +4°C
Purity	≥99% (HPLC)
CAS Number	177036-94-1
PubChem ID	6918493
InChi Key	OUJTZYPIHDYQMC-LJQANCHMSA-N
Smiles	CC1=CC(C)=NC(O[C@H](C(O)=O)C(C2=CC=CC=C2)(OC)C3=CC=CC=C3)=N1

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility for Ambrisentan

	Solvent	Max Conc. mg/mL	Max Conc. mM
Solubility
	DMSO	37.84	100
	ethanol	37.84	100

Preparing Stock Solutions for Ambrisentan

The following data is based on the product molecular weight 378.42.

Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass	1 mg	5 mg	10 mg
1 mM	2.64 mL	13.21 mL	26.43 mL
5 mM	0.53 mL	2.64 mL	5.29 mL
10 mM	0.26 mL	1.32 mL	2.64 mL
50 mM	0.05 mL	0.26 mL	0.53 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and CoA (available online).

Dilution Calculator

Calculate the dilution required to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration

References for Ambrisentan

References are publications that support the biological activity of the product.

Vatter & Seifert Ambrisentan, a non-peptide endothelin receptor antagonist. Cardiovasc.Drug Rev. 2006 PMID: 16939634
Riechers Discovery and optimization of a novel class of orally active nonpeptidic endothelin-A receptor antagonists. J.Med.Chem. 1996 PMID: 8667356