Valsartan Impurity 24 Catalogue S130524 CAS 1898188-76-5 M.W 410.49 433.51 3*22.99 M.F C24H28N5O3. C24H27NO5. 3 Na Specifications FAQs Synonyms:4-(((2S,4R)-1-([1,1'-biphenyl]-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoate, (S)-5-(4'-((N-(1-carboxylato-2-methylpropyl)pentanamido)methyl)-[1,1'-biphenyl]-2-yl)tetrazol-1-ide