</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

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

Naproxen Base from Germany — Import Duty Rate | HTS 2933.99.55