CAS 1660-19-1 appears in our catalog under these names: (4-Formyl-2-methoxyphenoxy)acetic acid, 95%, (4-Formyl-2-methoxyphenoxy)acetic acid, (4-Formyl-2-methoxyphenoxy)acetic acid, 98%, 98%, (4-Formyl-2-methoxyphenoxy)acetic acid, min. 95 %, 1 g, (4-Formyl-2-methoxyphenoxy)acetic acid, min. 95 %, 2.5 g. Offered by: Combi-blocks, Biosynth, Chemat, Roth, Fluorochem. Available pack sizes: 250mg, 1g, 5g, 2,5g, 10g, 50mg, 100mg.