CAS 349114-63-2 appears in our catalog under these names: (11bS,11'bS)-4,4'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin], 98%, (11BR,11'BR)-4,4'-(9,9-DIMETHYL-9H-XANT&. Offered by: Chemat Brand, Sigma-Aldrich. Available pack sizes: on request, 100MG.