CAS 1621-55-2 appears in our catalog under these names: 3-Hydroxy-2-phenylchroman-4-one 98%, 3-Hydroxy-2-phenylchroman-4-one, 97%, 3-Hydroxy-2-phenylchroman-4-one, 98%, 98%. Offered by: Ambeed, Fluorochem, Chemat. Available pack sizes: 100mg, 250mg, 1g.