CAS 42110-65-6 appears in our catalog under these names: Silybin 98%, 3,5,7-Trihydroxy-2-(2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)chroman-4-one, 98%, 98%. Offered by: Ambeed, Chemat. Available pack sizes: 5g, 25g, 100g, 500g.