5-(2-Aminoethyl)-4-methylthiazole from Germany
Intermediate in thiamine synthesis featuring substituted aromatic thiazole ring with aminoethyl side chain. Classified HTS 2934.10.20.00 as principal thiazole heterocycle per Chapter 29 last-in-order rule. Chemically defined for pharmaceutical production.
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
• Reference to thiamine synthesis pathway supports heterocyclic classification
• GC-MS analysis verifying thiazole purity essential
• Distinguish from polymer precursors via molecular weight certification