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

Pyrimethamine Base from Mexico

Pyrimethamine is a diaminopyrimidine antimalarial drug featuring a pyrimidine ring with nitrogen hetero-atoms only. Classified in HTS 2933.59.95.00 as other pyrimidine compounds, adhering to Chapter 29 for pure organic chemicals. Imported as API for tablet manufacturing.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

WHO prequalification docs speed customs; declare exact purity percentage

Avoid classification as pesticide (Chapter 38) despite antiparasitic use

Bulk only; finished antimalarials go to 3004