CAS 29248-48-4 appears in our catalog under these names: Boc-Gly-Gly-OSU 97%, 2,5-Dioxopyrrolidin-1-yl (tert-butoxycarbonyl)glycylglycinate, 97%, 97%, Boc-Gly-Gly-NHS ester, 97.0%, Boc-Gly-Gly-NHS ester, 97%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100g, 250mg, 1g, 5g, 25g, 5 g, 250 mg, 500 mg.