Paroxetine Hydrochloride
Paroxetine HCl, the API in Paxil, is an SSRI antidepressant featuring a piperidine ring (hydrogenated pyridine) in its structure. Classified under HTS 2933.39.31.00 due to its psychotherapeutic antidepressant function and nitrogen heterocyclic composition.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically designated as antidepressant/tranquilizer
Other drugs with pyridine structure fall under the general 'other drugs' category
If part of immunological product mixtures
Chapter 29 excludes immunological products which go to Chapter 30
If classified by nucleic acid function rather than pyridine
Nucleoside derivatives have separate classification in 2934
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 pharmacopoeial compliance certificates (USP/EP) with shipment documentation
• Ensure proper storage conditions documentation to maintain API stability during transport
• Check for any country-specific import restrictions on psychotropic substances
Related Products under HTS 2933.39.31.00
Fluoxetine Hydrochloride
Fluoxetine hydrochloride is the active pharmaceutical ingredient in Prozac, a selective serotonin reuptake inhibitor (SSRI) used primarily as an antidepressant. It contains an unfused pyridine ring in its heterocyclic structure, qualifying it for classification under HTS 2933.39.31.00 as a psychotherapeutic agent.
Sertraline Hydrochloride
Sertraline HCl (Zoloft API) is an SSRI antidepressant containing a tetrahydroisoquinoline structure with nitrogen heteroatoms. It falls under HTS 2933.39.31.00 as a psychotherapeutic agent with unfused pyridine-related ring systems.
Escitalopram Oxalate
Escitalopram oxalate, the active ingredient in Lexapro, is the S-enantiomer of citalopram and functions as an SSRI antidepressant. Its diaminobenzofuran structure with piperidine ring places it under HTS 2933.39.31.00 for psychotherapeutic agents.
Venlafaxine Hydrochloride
Venlafaxine HCl (Effexor API) is a serotonin-norepinephrine reuptake inhibitor (SNRI) antidepressant with a phenethylamine structure containing nitrogen heterocycles. Classified in HTS 2933.39.31.00 as a psychotherapeutic antidepressant agent.
Duloxetine Hydrochloride
Duloxetine HCl (Cymbalta API), an SNRI antidepressant, features a naphthalene structure with piperazine heterocyclic ring. Falls under HTS 2933.39.31.00 due to its psychotherapeutic classification and nitrogen heteroatom content.
Buspirone Hydrochloride
Buspirone HCl is an anxiolytic tranquilizer (not benzodiazepine) used for generalized anxiety disorder, containing azaspirodecanedione with piperazine and pyridine-like structures. Classified under HTS 2933.39.31.00 as a psychotherapeutic tranquilizer.