If you are going to consult the information about 356559-20-1 from one of the leading 356559-20-1 manufacturers and suppliers in China,Website:://.biopharmaleader.net, Biopharmaleader Co.,Ltd is always at your service.Product InformationCAS NO.356559-20-1 Product NameSB525334Synonyms6-[2-tert-Butyl-5-(6-methyl-pyridin-2-yl)-1H-imidazol-4-yl]-quinoxalineFormulaC21H21N5Molecular Weight343.42Spec / Purity98%minSupply CapacityDetailsSB525334 is a potent and selective inhibitor of TGFβ receptor I (ALK5) with IC50 of 14.3 nM, is 4-fold less potent to ALK4 than ALK5 and inactive to ALK2, 3, and 6.