Imipramine Hydrochloride EP Grade from Mexico
European Pharmacopoeia (EP) grade imipramine hydrochloride is the high-purity salt form of this tricyclic antidepressant, specifically provided for under HTS 2933.99.5800. This aromatic heterocyclic compound with nitrogen hetero-atoms affects the CNS and serves as the key API for generic antidepressant medications.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include EP Certificate of Analysis alongside US DMF for dual-compliance imports
• Test for related substances per EP monograph to preempt FDA laboratory analysis
• Use nitrogen-flushed packaging to protect from oxidative degradation