Vilazodone Hydrochloride
Vilazodone HCl (Viibryd) is a selective serotonin reuptake inhibitor and 5-HT1A receptor partial agonist antidepressant with indole-piperazine structure containing nitrogen heterocycles. Falls under HTS 2933.39.31.00 for psychotherapeutic use.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically psychotherapeutic
Other heterocyclic drugs in general category
If classified as alkaloid derivative
Vegetable alkaloid derivatives have separate classification
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Import Tips & Compliance
• Document indole-piperazine linkage stability data
• Provide photostability data for light-sensitive compound
• Confirm absence of genotoxic impurities per FDA guidelines
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.
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.