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Pyrimethamine Base from China

Pyrimethamine is a diaminopyrimidine antimalarial drug with nitrogen-only heteroatoms. Classified HTS 2933.59.59.00 as pyrimidine ring drug. Pure base form distinguishes from salts.

Duty Rate — China → United States

16.2%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Malaria drug import requires WHO prequalification documentation

Stability studies mandatory for tropical climate shipping