2-(4-Aminobenzoyl)thiophene from Germany
2-(4-Aminobenzoyl)thiophene combines aminophenyl ketone with thiophene heterocycle. Aromatic amino-ketone classification under 2922.39.4500 prevails over heterocyclic aspects. Research chemical.
Duty Rate — Germany → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Aromatic chain principal per classification rules
• Low volume research imports need end-use certification
• Stability data for thiophene derivatives