CAS 100047-66-3 appears in our catalog under these names: 1-Methyl-6-oxo-1,6-dihydropyridazine-3-carboxylic acid, 97%, 1–Methyl–6–oxo–1,6–dihydropyridazine–3–carboxylic acid, 1-Methyl-6-oxo-1,6-dihydropyridazine-3-carboxylic acid 97%, 1-Methyl-6-oxo-1,6-dihydropyridazine-3-carboxylic acid, 98%, 98%, 1-Methyl-6-oxo-1,6-dihydro-pyridazine-3-carboxylic acid, 98%. Offered by: Combi-blocks, GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 250mg, 10g, 25g, 100g, 250g, 100mg.