Lansoprazole USP Related Compound B is used in pharmaceutical quality control laboratories as a reference standard for the identification quantification and monitoring of impurities in lansoprazole drug substances and drug products.

The purpose of Lansoprazole USP Related Compound B is to ensure the quality safety and regulatory compliance of lansoprazole formulations by facilitating impurity profiling and analytical method validation.

Lansoprazole USP Related Compound B is a specified impurity of lansoprazole recognized by the United States Pharmacopeia (USP) and supplied as a certified reference material for analytical testing and quality assurance purposes.