CAS 669713-57-9 appears in our catalog under these names: 2-tert-Butoxycarbonylamino-3,5-dimethyl-benzoic acid, 95%, Boc–2–amino–3,5–dimethylbenzoic acid, 2-tert-Butoxycarbonylamino-3,5-dimethylbenzoic acid 97%, 2-tert-Butoxycarbonylamino-3,5-dimethyl-benzoic acid, 97%, 2-tert-Butoxycarbonylamino-3,5-dimethylbenzoic acid, 97%, 97%. Offered by: Combi-blocks, GLPBio, Ambeed, Fluorochem, Chemat. Available pack sizes: 250mg, 5g, 1g, 100mg.