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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as different salt form or free base
Other caffeine/non-narcotic drug compounds in separate subheading
If bulk medicaments not chemically pure
Mixed or impure medicaments classified in Chapter 30
If hormonal activity predominates
Hormones have priority classification in 2937
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
• Verify enantiomeric purity documentation critical for single-enantiomer APIs
• Provide salt form specification confirming oxalate content percentage
• Ensure proper hazardous material declaration if dust hazard exists
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.
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.
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.
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.