Imipramine Hydrochloride API from Japan
Imipramine hydrochloride is a tricyclic antidepressant and the hydrochloride salt of imipramine, explicitly listed under HTS 2933.99.5800 as a psychotherapeutic agent affecting the CNS. This active pharmaceutical ingredient (API) is a chemically defined aromatic heterocyclic compound used in manufacturing tablets and capsules for depression treatment.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Submit Drug Master File (DMF) to FDA prior to import and reference it on customs entry
• Ensure packaging prevents moisture absorption as hydrochloride salts are hygroscopic
• Classify correctly as API, not finished dosage form, to avoid Chapter 30 reclassification