BAY 678

Pricing Availability   Qty
Description: Potent and selective cell-permeable human neutrophil elastase (HNE) inhibitor
Chemical Name: 5-[(4R)-5-Acetyl-1,2,3,4-tetrahydro-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4-pyrimidinyl]-2-pyridinecarbonitrile
Purity: ≥98% (HPLC)

Biological Activity for BAY 678

BAY 678 is a potent and selective cell-permeable human neutrophil elastase (HNE) inhibitor (IC50 = 20 nM). Exhibits around 2000-fold selectivity for NHE against a panel of 21 other serine proteases. Effective in an acute lung injury model in vivo. Orally bioavailable. Inactive S-enantiomer (Cat.No.6389) also available.

Licensing Information

This compound is supplied in conjunction with the Structural Genomics Consortium. For further characterization details, please visit the BAY 678 probe summary on the SGC website.

Technical Data for BAY 678

M. Wt 400.35
Formula C20H15F3N4O2
Storage Store at -20°C
Purity ≥98% (HPLC)
CAS Number 675103-36-3
PubChem ID 23728722
Smiles CC(C([C@H]1C2=CN=C(C#N)C=C2)=C(C)N(C3=CC=CC(C(F)(F)F)=C3)C(N1)=O)=O

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 Data for BAY 678

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 40.03 100

Preparing Stock Solutions for BAY 678

The following data is based on the product molecular weight 400.35. 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.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 2.5 mL 12.49 mL 24.98 mL
5 mM 0.5 mL 2.5 mL 5 mL
10 mM 0.25 mL 1.25 mL 2.5 mL
50 mM 0.05 mL 0.25 mL 0.5 mL

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References for BAY 678

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

von Nussbaum et al (2015) Freezing the bioactive conformation to boost potency: The identification of BAY 85-8501, a selective and potent inhibitor of human neutrophil elastase for pulmonary diseases. ChemMedChem. 10 1163 PMID: 26083237

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Citations for BAY 678

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