Patent ID: 6350880
Filing Date: 2002-02-26
Classification: A61P,C07D

Abstract:
A crystalline or crystallized acid addition salt of 2-n-butyl-4-chloro-1-[[2â€²-(1H-tetrazol-5-yl) [1,1â€²-biphenyl]-4-yl]methyl]-1H-imidazole-5-methanol the formula (I) wherein A is p-toluenesulfonic acidÂ·THF, hydrochloric acid, or hydrobromic acid, and wherein the acid addition salt has a liquid chromatography purity of at least 99.60% when A is p-toluenesulfonic acidÂ·THF, wherein the acid addition salt has a liquid chromatography purity of at least 98.67% purity when A is hydrochloric acid, and wherein the acid addition salt has a liquid chromatography purity of at least 98.50% when A is hydrobromic acid.