CAS 2154356-73-5 appears in our catalog under these names: 4-(But-3-yn-1-ylamino)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione 97%, 4-(But-3-yn-1-ylamino)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione, 97%, 97%, Thalidomide-NH-C2-alkyne, 4-(But-3-yn-1-ylamino)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione, 97%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g, 50 mg, 25 mg, 1 g, 100 mg.