https://www.alfachemic.com/catalysts/1-4-8-11-tetramethyl-1-4-8-11-cas-41203-22-9-item-152476.htm Use 1,4,8,11-Tetramethyl-1,4,8,11-tetraazacyclotetradecane for fast, easy, and consistent DNA/RNA Purification, Antibody/Protein Purification, Cell Isolation.