CAS 150196-34-2 appears in our catalog under these names: 3-(2-Nitro-1H-imidazol-1-yl)-2-((tetrahydro-2H-pyran-2-yl)oxy)propyl 4-methylbenzenesulfonate, 97%, FMISO PRECURSOR, 97%, 97%. Offered by: Fluorochem, Chemat. Available pack sizes: 25mg, 100mg.