Di-tert-butyl Dicarbonate (Boc2O) from Germany
Di-tert-butyl dicarbonate (Boc anhydride) is a protecting agent for amines in peptide synthesis, classified under HTS 2942.00.50.00 as 'other' organic compounds. This mixed anhydride features carbonate and carboxylate functionalities.
Duty Rate — Germany → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Maintain storage below 25°C; include accelerated stability data for 6-month shelf life
• CAS 24424-99-5 and exact purity (>99%) must appear on all documentation
• Avoid classification confusion with pharmaceutical finished forms under Chapter 30