CAS 2393-18-2 appears in our catalog under these names: 4–Aminocinnamic Acid, 4-Aminocinnamic acid, 3-(4-Aminophenyl)acrylic acid 97% (E), 4-Aminocinnamic Acid, 98%, 98%, 3-(4-Aminophenyl)acrylic acid, 95%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 25g, 5g, 10g, 50g, 100g, 10000g, 250mg.