CAS 899710-24-8 appears in our catalog under these names: (2-Methyl-3-oxo-2,3-dihydro-4h-1,4-benzoxazin-4-yl)acetic acid, 95%, 2-(2-Methyl-3-oxo-2H-benzo(b)(1,4)oxazin-4(3H)-yl)acetic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 250mg, 5g, 1g.