Potent inhibitor of DYRKs and CLKs. Interacts also with GSK-3alpha/beta, CK2 and PIM1. Interacts with the complex PIKfyve/Vac14/Fig4. Modulates alternative splicing of pre-mRNA in various cellular systems. Neuroprotective against APP-induced cell death. Tools to study and modulate pre-RNA splicing. Potential compound for Alzheimer's disease and diseases involving abnormal pre-mRNA splicing. Potential compound to study Down syndrome (inhibition of DYRK1A). Neuroprotective against glutamate-induced cell death.Formula:C17H13N3O3Solubility:DMSO or ethanolMolecular Weight:~307.3Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with DMSO or ethanol. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.