Mirtazapine from Japan
Mirtazapine is a tetracyclic antidepressant that enhances serotonin and norepinephrine transmission for major depression treatment. Its fused piperazine-piperidine ring system classifies it as a nitrogen-heterocyclic aromatic psychotherapeutic agent.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Verify anhydrous vs hemihydrate crystalline form specifications
• Include degradation pathway studies for shelf-life validation
• Prepare for FDA Type III DMF for excipient compatibility