CAS 1216805-11-6 appears in our catalog under these names: 2–(2，6–dioxopiperidin–3–yl)–1，3–dioxoisoindoline–5–carboxylic acid, 2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxoisoindoline-5-carboxylic acid, 2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxoisoindoline-5-carboxylic Acid, >98.0%(HPLC)(T), Thalidomide-5-COOH 98%, 2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxoisoindoline-5-carboxylic Acid, 98%, 98%. Offered by: GLPBio, Biosynth, TCI, Ambeed, Chemat. Available pack sizes: 10g, 1g, 5g, 500mg, 100mg, 250mg, 25g, 100 mg.