Suberic acid bisimide from Germany
Suberic acid bisimide features two imide groups linked by an octamethylene chain, used in polymer and pharmaceutical synthesis. Dual imide functionality clearly places it under HTS 2925.19.91.00 'other' imides.
Duty Rate — Germany → United States
21.3%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• High MW (268+); molecular weight verification prevents polymer misclassification
• Custom synthesis common; include manufacturer CoA and synthesis route
• Low toxicity profile; standard chemical import procedures apply