CAS 13205-47-5 appears in our catalog under these names: 4–tert–Butoxybenzoic Acid, 4-tert-Butoxybenzoic acid, 4-(tert-Butoxy)benzoic acid 97%, 4-(Tert-Butoxy)Benzoic Acid, 97%, 97%, 4-tert-Butoxybenzoic acid, 98%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 5g, 2000mg, 1000mg, 250mg, 10g, 25g, 100mg.