Ranitidine EP Impurity A is used as a pharmaceutical reference standard for impurity identification analytical method development and quality control testing of ranitidine drug substances and finished products.

Its primary purpose is to ensure that ranitidine products comply with European Pharmacopoeia impurity limits by enabling the accurate detection and quantification of this specified impurity.

Ranitidine EP Impurity A is a chemically defined related substance specified in the European Pharmacopoeia and is used as a certified reference material in chromatographic and other analytical methods to assess the purity and quality of ranitidine-containing pharmaceuticals.