Felodipine from China
Felodipine is a vasoselective dihydropyridine calcium channel blocker for essential hypertension treatment. This aromatic nitrogen-heterocycle classifies under HTS 2933.99.53.00 as a cardiovascular drug in bulk form. Imported as free base or specific polymorphs for extended-release formulations.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Form II (stable) preferred - include XRPD pattern in COA to verify crystal structure
• Low dose drug (<10mg) requires enhanced content uniformity documentation
• Avoid bulk cardboard drums - use HDPE-lined fiber drums per IPEC standards