Mirtazapine from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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