CAS 52311-50-9 appears in our catalog under these names: 2–Chloro–4–ethoxypyridine, 2-chloro-4-ethoxypyridine, 2-Chloro-4-ethoxypyridine 97%, 2-Chloro-4-ethoxypyridine, 97%, 97%, 2-Chloro-4-ethoxypyridine, 98%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 10g, 250mg, 5g, 100mg.