0 Fexofenadine Hydrochloride CAS 153439-40-8 In APIs, Pharmaceutical Chemicals, Products 153439-40-8,Fexofenadine Hydrochloride,2-[4-[1-Hydroxy-4-[4-(hydroxy-diphenyl-methyl)-1-piperidyl]-butyl]phenyl]-2-methyl-propanoic acid hydrochloride