Imipramine Hydrochloride EP Grade
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pyridine ring structure emphasized over tricyclic system
Specific pyridine compounds classified earlier in 2933.29 take precedence.
If complexed with immunological agents
Immunological products excluded from Chapter 29 by chapter note 2(e).
If classified as other organic compounds
Residual organic compounds in 2942 after all specific Chapter 29 headings.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 2933.99.58.00
Droperidol USP Powder
Droperidol is a butyrophenone derivative classified as a tranquilizer and antipsychotic agent primarily affecting the central nervous system. This USP-grade powder is a chemically defined heterocyclic compound with nitrogen hetero-atoms, specifically listed under HTS 2933.99.5800. It is used in pharmaceutical manufacturing for injectable formulations to manage agitation and nausea.
Imipramine Hydrochloride API
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.
Droperidol Lactate Pharmaceutical Grade
Droperidol lactate is the lactate salt form of droperidol, a CNS-acting tranquilizer listed under HTS 2933.99.5800. As an organic salt of a listed heterocyclic compound, it remains classified with the parent droperidol per chapter note 3(C). Used primarily for parenteral formulations in surgical settings.
Droperidol Base for Synthesis
Droperidol free base in pharmaceutical synthesis grade is the unsalified form of this antipsychotic tranquilizer, classified under HTS 2933.99.5800. As a chemically defined aromatic heterocyclic with nitrogen hetero-atoms primarily affecting the CNS, it matches the specific droperidol provision regardless of salt form.