2922.39.45.00/2-(4-Aminobenzoyl)thiophene/Japan

2-(4-Aminobenzoyl)thiophene from Japan

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 — Japan → United States

15%

Rate breakdown

9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate

9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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Import Tips

• Aromatic chain principal per classification rules

• Low volume research imports need end-use certification

• Stability data for thiophene derivatives