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/atracurium-besylate-ep-impurity-b-oxalate-salt-cas-96687-52-4-item-336184.html