CAS 3597-63-5 appears in our catalog under these names: 3–Hydroxy–2H–benzo(b)(1，4)oxazin–2–one, 2H-1,4-Benzoxazine-2,3(4H)-dione, 3-Hydroxy-2H-benzo[b][1,4]oxazin-2-one 95%, 3-Hydroxy-2H-benzo[b][1,4]oxazin-2-one, 95%, 95%, 2H-1,4-Benzoxazine-2,3(4H)-dione, min. 95 %, 500 mg. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Roth. Available pack sizes: 1g, 250mg, 5g, 500mg, 1000mg, 100mg.