CAS 1678-53-1 appears in our catalog under these names: 3–Methyl–4–Nitropyridine, 4-Nitro-3-picoline, 3-Methyl-4-nitropyridine 98%, 3-Methyl-4-Nitropyridine, 97%, 97%, 3-Methyl-4-nitropyridine, 95%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 10g, 25g, 250mg, 1g, 100g, 100mg.