CAS 33760-81-5 appears in our catalog under these names: 2-Chloro-5-methyl-1,8-naphthyridine 95%, 2-Chloro-5-methyl-1,8-naphthyridine, 95%, 2-Chloro-5-methyl-1,8-naphthyridine, 95%, 95%. Offered by: Ambeed, Fluorochem, Chemat. Available pack sizes: 25mg, 50mg, 100mg, 250mg, 1g.