CAS 74173-77-6 appears in our catalog under these names: 2,4-Dichloro-6-nitroquinazoline, 98%, 2,4-Dichloro-6-nitroquinazoline 98%, 2,4-Dichloro-6-nitroquinazoline, 95%, 2,4-Dichloro-6-Nitroquinazoline, 98%, 98%. Offered by: Combi-blocks, Ambeed, Fluorochem, Chemat. Available pack sizes: 250mg, 5g, 1g, 10g, 100mg, 25g.