CAS 175204-37-2 appears in our catalog under these names: 2-Methyl-2-[4-(trifluoromethoxy)phenoxy]acetic acid hydrazide, 95%, 2-(4-(Trifluoromethoxy)phenoxy)propanehydrazide, 97%. Offered by: Combi-blocks, Fluorochem. Available pack sizes: 250mg, 1g.