Pimelic Acid from Germany
Pimelic acid (heptanedioic acid) is a seven-carbon chain dicarboxylic acid used in polymer synthesis and pharmaceutical intermediates. Classified under HTS 2917.19.70.50 as an 'other' acyclic polycarboxylic acid per Chapter 29 requirements for chemically defined organic compounds. Its two carboxylic acid groups on an acyclic chain determine the heading.
Duty Rate — Germany → United States
21%
Rate breakdown
9903.04.6211%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
• Include HPLC purity certificate (>98%) to confirm status as chemically defined compound
• Declare CAS 111-16-0 accurately; misdeclaration common with similar dioic acids
• Avoid plasticizers or stabilizers that could trigger Chapter 29 note (f) reclassification