CAS 89640-67-5 appears in our catalog under these names: 6–Hydroxypicolinamide, 6-Hydroxypyridine-2-carboxamide, 6-Hydroxypicolinamide 97%, 1,6-Dihydro-6-oxo-2-pyridinecarboxamide, 97%, 97%, 6-oxo-1,6-dihydropyridine-2-carboxamide, 95%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 1000mg.