Thiazole-4-Carboxylic Acid from Germany
Thiazole-4-carboxylic acid contains an unfused thiazole ring with carboxylic acid substitution at position 4, used in pharmaceutical synthesis. Classified under HTS 2934.10.90.00 as the thiazole ring structure determines heading per Chapter 29 precedence over carboxylic acid classification.
Duty Rate — Germany → United States
18.5%
Rate breakdown
9903.04.628.5%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
• Neutralize residual acidity with proper packaging to prevent corrosion
• Provide melting point and titration data confirming carboxylic acid purity
• Declare synthetic intermediates status to expedite pharmaceutical import