Propofol EP Impurity L Catalogue B485432 CAS 201166-22-5 M.W 192.25 M.F C12H16O2 Specifications FAQs 2,2-dimethyl-4-(1-methylethyl)-1,3-benzodioxole; 2,2-Dimethyl-4-isopropyl-1,3-benzodioxole; 4-isopropyl-2,2-dimethylbenzo[d][1,3]dioxole