CAS 1211533-09-3 appears in our catalog under these names: 5–Cyanopyrazine–2–carboxylic acid, 5-Cyanopyrazine-2-carboxylic acid, 5-Cyanopyrazine-2-carboxylic acid 97%, 5-Cyanopyrazine-2-carboxylic acid, 98%, 98%, 5-Cyanopyrazine-2-carboxylic acid, 97%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 2,5g, 5g.