CAS 122307-41-9 appears in our catalog under these names: Pantoprazole Impurity 33, 4-Chloro-3-methoxy-2-methylpyridine N-oxide, 4-Chloro-3-methoxy-2-methylpyridine 1-oxide, 97%, 4–Chloro–3–methoxy–2–methylpyridine N–oxide, 4-Chloro-3-methoxy-2-methylpyridine N-oxide, 98%, 98%. Offered by: Chemat Brand, TRC, AmBeed, GLPBio, Biosynth. Available pack sizes: on request, 1g, 5g, 100g, 25g, 50g, 250g, 10g.