Summary: BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.https://www.bocsci.com/lansoprazole-ep-impurity-b-lansoprazole-sulfone-cas-131926-99-3-item-302135.html