CAS 188121-31-5 appears in our catalog under these names: 6-Methyl-5-nitroisoquinoline, 6-Methyl-5-nitroisoquinoline 95%, 6-METHYL-5-NITROISOQUINOLINE, 97%, 6-Methyl-5-nitroisoquinoline, 95%, 95%. Offered by: Biosynth, Ambeed, Fluorochem, Chemat. Available pack sizes: 5g, 0,5g, 250mg, 1g, 25g, 10g.