CAS 72138-73-9 appears in our catalog under these names: 2H-(1,3)Dioxolo(4,5-b)pyridine, 2H-[1,3]dioxolo[4,5-b]pyridine, >95%, >95%, [1,3]Dioxolo[4,5-b]pyridine, >95%. Offered by: Biosynth, Chemat, Fluorochem. Available pack sizes: 0,5g, 50mg, 100mg, 250mg, 1g.