SynonymsPolymyxin Diisobutyl Impurity ; Polymyxin RRT 0.67 Close Polymyxin Diisobutyl Impurity ; Polymyxin RRT 0.67 Related products Polymyxin B Sulfate M.F. M.W. - CAT# AR-P29538 CAS# 1405-20-5 Polymyxin B1 M.F. M.W. 1203.5 CAT# AR-P29815 CAS# 4135-11-9 Polymyxin B2 M.F. M.W. 1189.5 CAT# AR-P29816 CAS# 34503-87-2 Polymyxin B3 M.F. M.W. 1189.5 CAT# AR-P29817 CAS# 71140-58-4 Polymyxin B1-I M.F. M.W. 1203.5 CAT# AR-P29818 CAS# 811435-10-6 Polymyxin B3 TFA Salt M.F. M.W. 1189.47; x*114.02 CAT# AR-P29915 CAS# NA Polymyxin Isopropyl Impurity M.F. M.W. 1189.47 CAT# AR-P30086 CAS# NA Polymyxin Diisobutyl Impurity M.F. M.W. 1169.48 CAT# AR-P30087 CAS# NA Polymyxin Monoalcohol Impurity M.F. M.W. 1189.47 CAT# AR-P30088 CAS# NA Polymyxin Bicyclic Impurity M.F. M.W. 1185.48 CAT# AR-P30089 CAS# NA Polymyxin Monoalcohol Impurity 2 M.F. M.W. 1188.73 CAT# AR-P30090 CAS# NA Polymyxin Terminal Isopropyl Impurity M.F. M.W. 1203.5 CAT# AR-P30091 CAS# NA