Fimasartan Impurity I Catalogue F568539 CAS N/A M.W 515.68 M.F C28H33N7OS Specifications FAQs 2-(2-butyl-4-methyl-1-((2'-(1-methyl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-6-oxo-1,6-dihydropyrimidin-5-yl)-N,N-dimethylethanethioamide compo