CAS 201416-66-2 appears in our catalog under these names: Boc-O-2',6'-dichlorobenzyl-3,5-diiodo-L-tyrosine, 95%, (S)-2-((tert-Butoxycarbonyl)amino)-3-(4-((2,6-dichlorobenzyl)oxy)-3,5-diiodophenyl)propanoic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.