Ethyl 6,7,8-Trifluoro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylate from Germany
This is a chemically defined heterocyclic compound containing a quinoline ring system with nitrogen hetero-atom and trifluoro substitutions, specifically matching HTS 2933.49.17.00. It serves as a key intermediate in synthesizing fluoroquinolone antibiotics like norfloxacin. Classified here due to its precise chemical structure as a non-fused quinoline derivative.
Duty Rate — Germany → United States
25%
Rate breakdown
9903.04.6215%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
• Provide detailed chemical analysis certificates (COA) confirming purity and structure match to avoid misclassification
• Declare exact CAS number if available and stabilizer content; impurities may affect duty if exceeding chapter note limits
• Comply with TSCA pre-notice requirements for new chemical substances when importing into the US