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Naproxen Base from Germany

Naproxen is an NSAID used for pain relief, fever reduction, and inflammation, classified in HTS 2933.99.55 due to its aromatic heterocyclic nitrogen-containing structure. As a bulk pharmaceutical API primarily affecting the CNS, it meets the heading for analgesics and antipyretics.

Duty Rate — Germany → United States

10%

Rate breakdown

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

• Submit detailed spectral analysis proving aromatic heterocyclic nitrogen hetero-atom(s) for classification

• Include stability data as stabilizer additions are allowed per chapter note (f) without reclassification

• Watch for pitfalls in ester forms, which classify with the acid per chapter note on esters