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Aminaphtone API from Germany

Aminaphtone is a pyrazole derivative used for capillary fragility treatment in vascular disorders. Features 4-amino-3-methyl-1-phenylpyrazol-5-one structure qualifying under HTS 2933.19.4500. Pharmaceutical grade for tablet manufacturing.

Duty Rate — Germany → United States

15%

Rate breakdown

9903.04.6211.3%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)

Import Tips

Include vascular drug clinical trial data and bioavailability studies in import dossier

Verify phenylpyrazolone identity via melting point (157-160°C) and TLC profiling

Declare as human drug to access .4500; research chemical status shifts classification