CAS 345909-34-4 appears in our catalog under these names: Fisetin, 97.00%, 2-(3,4-Dihydroxyphenyl)-3,7-dihydroxy-4H-chromen-4-one hydrate(1:x) 97%, Fisetin hydrate(1:x), 97%, 97%. Offered by: Chemat, Ambeed. Available pack sizes: 100mg, 1g, 5g, 25g, 100g.