CAS 3336-40-1 appears in our catalog under these names: Ioxynil-methyl, 3，5–Diiodo–4–methoxybenzonitrile, IOXYNIL-METHYL PESTANAL., Ioxynil-methyl, Concentration: 100 µg/ml Solvent: Acetonitrile, 3,5-Diiodo-4-methoxybenzonitrile, 97%. Offered by: Dr. Ehrenstorfer, GLPBio, Sigma-Aldrich, HPC Standards, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 1x5ml, 1x100mg.