Chemical Name:N-[2-(3,4-Dihydro-3-oxo-2-quinoxalinyl)-4-(1-methylethyl)phenyl]-2-thiophenecarboxamide
Purity: ≥98% (HPLC)
Biological Activity
Technical Data
Solubility
Calculators
Datasheets
References
Biological Activity
Inhibitor of the serine/threonine kinase STK33 (IC50 = 14 nM). Exhibits >700-fold selectivity for STK33 over the structurally related protein kinase A (PKA); also exhibits 550-fold selectivity over Aurora kinase B.
Compound Libraries
ML 281 is also offered as part of the
Tocriscreen Plus and Tocriscreen Kinase Inhibitor Toolbox II. Find out more about compound libraries available from Tocris.
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.
Solubility Data
Solvent
Max Conc. mg/mL
Max Conc. mM
Solubility
DMSO
38.95
100
ethanol
3.89
10mM with gentle warming
Preparing Stock Solutions
The following data is based on the product molecular weight 389.47. Batch specific molecular weights may vary from batch to batch due to solvent 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
2.57 mL
12.84 mL
25.68 mL
5 mM
0.51 mL
2.57 mL
5.14 mL
10 mM
0.26 mL
1.28 mL
2.57 mL
50 mM
0.05 mL
0.26 mL
0.51 mL
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Product Datasheets
Certificate of Analysis / Product Datasheet
Safety Datasheet
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References
References are publications that support the products' biological activity.
Weiweret al (2012) A potent and selective quinoxaline-based STK33 inhibitor does not show synthetic lethality in KRAS-dependent cells. ACS Med.Chem.Lett. 3 1034 PMID: 23256033