Memantine Hydrochloride from Mexico
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 — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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