CAS 13519-90-9 appears in our catalog under these names: 4-Fluoroisophthalonitrile, 98%, 4–Fluoroisophthalonitrile, 4-Fluoroisophthalonitrile 98%, 4-Fluoroisophthalonitrile, 98%, 98%. Offered by: Combi-blocks, GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 10g, 25g, 5g, 100g, 250mg.