CAS 431-46-9 appears in our catalog under these names: Trifluoroacetaldehyde methyl hemiacetal, tech grade, 89%, Trifluoroacetaldehyde Methyl Hemiacetal (contains ca· 10% Methanol), Trifluoroacetaldehyde methyl hemiacetal, tech. 90% , Trifluoroacetaldehyde methyl hemiacetal, Trifluoroacetaldehyde Methyl Hemiacetal (contains ca. 10% Methanol), >85.0%(GC). Offered by: Combi-blocks, GLPBio, Thermo Scientific (Alfa Aesar), Biosynth, TCI. Available pack sizes: 1g, 25g, 100g, 5g, 250g, 500g, 250mg.