CAS 59303-10-5 appears in our catalog under these names: 2-Chloro-5-methylpyrazine 97%, 2-Chloro-5-methylpyrazine, 98%, 2-Chloro-5-methylpyrazine, 98%, 98%. Offered by: Ambeed, Fluorochem, Chemat. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 25g, 100g.