CAS 2999743-41-6 is the registry number for (11aS)-3,7-Bis([1,1':3',1''-terphenyl]-5'-yl)-10,11,12,13-tetrahydro-5-hydroxy-5-oxide-diindeno[7,1-de:1',7'-fg][1,3,2]dioxaphosphocin, 98% 99%ee. Offered by: Ambeed, BLDpharm. Available pack sizes: 250mg, 1g, 50mg, 100mg.