Citalopram EP Impurity B ;Citalopram USP Related Compound B ;3-Hydroxy Citalopram

Citalopram EP Impurity B ;Citalopram USP Related Compound B ;3-Hydroxy Citalopram

1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydro isobenzofuran-5-carbonitrile

Impurity reference standard used for related substances testing of Citalopram HBr drug substance and drug product per pharmacopoeial limits.