Memantine Hydrochloride from China
Memantine HCl, NMDA receptor antagonist with adamantane amine structure containing only nitrogen hetero-atoms. Classified 2933.99.8290 as other heterocyclic N compounds, aromatic/modified aromatic. Bulk API for Alzheimer's treatment.
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
• Document adamantane cage structure clearly for Customs verification
• Include heavy metals testing results per USP standards
• Specify particle size distribution for formulation compatibility