Hydroxyzine Hydrochloride

Hydroxyzine hydrochloride, a piperazine antihistamine, treats anxiety, itching, and nausea pre-surgery. Falls under HTS 2933.59.21.00 for aromatic heterocyclic drugs principally used as antihistamines/anti-nauseants. Chemically defined per chapter (a) with stabilizer allowances.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%6.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.99Higher: 16.5% vs 6.5%

If other heterocyclic, non-drug use

If not 'drugs,' classifies as other heterocyclics; anti-nauseant status keeps in .21.

3004.90Higher: 10% vs 6.5%

If in consumer-ready capsules

Retail medicaments exclude from Chapter 29 per general exclusions.

2923.20.10.00Higher: 35% vs 6.5%

If emphasizing quaternary ammonium function

Piperazine salts could classify under 2923 if ammonium dominant, but ring structure prevails.

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Import Tips & Compliance

Confirm no coloring beyond ID per note (g); use pharma-grade stabilizers only

Pitfall: multi-use declaration—specify anti-nauseant to avoid 2933.59.45

EU GMP cert aids FDA review

Related Products under HTS 2933.59.21.00

Promethazine Hydrochloride

Promethazine hydrochloride is a first-generation antihistamine and phenothiazine derivative containing a modified aromatic pyrimidine-like structure, primarily used to treat motion sickness, nausea, and allergic reactions. It falls under HTS 2933.59.21.00 as an aromatic antihistamine principally used as an anti-nauseant, consistent with chapter notes for heterocyclic nitrogen compounds with pyrimidine rings. This chemically defined compound is imported in pure form for pharmaceutical formulation.

Cyclizine Hydrochloride

Cyclizine hydrochloride is a piperazine-based antihistamine used mainly for preventing motion sickness and treating vertigo/nausea. Its heterocyclic structure with piperazine ring qualifies it under HTS 2933.59.21.00 as an aromatic antihistamine anti-nauseant. Chapter notes confirm classification for separate chemically defined compounds with nitrogen hetero-atoms.

Buclizine Hydrochloride

Buclizine hydrochloride, a piperazine antihistamine, treats nausea, vomiting, and motion sickness with antiemetic properties. Classified under HTS 2933.59.21.00 for its aromatic heterocyclic structure containing piperazine ring, as a drug principally used as anti-nauseant. Meets chapter definition for separate organic compounds with nitrogen hetero-atoms.

Meclizine Hydrochloride

Meclizine hydrochloride is a piperazine antihistamine primarily indicated for motion sickness prevention and vertigo treatment. Its modified aromatic structure with piperazine qualifies for HTS 2933.59.21.00 as an anti-nauseant drug. Chapter notes support classification of such chemically defined pharmaceuticals.

Dimenhydrinate

Dimenhydrinate is the aminophylline salt of diphenhydramine, functioning as an antihistamine antiemetic for motion sickness. Despite salt form, classified with the organic base under HTS 2933.59.21.00 per chapter note C(1) for aromatic pyrimidine-related antihistamines. Used principally as anti-nauseant.

Chlorpheniramine Maleate

Chlorpheniramine maleate is an alkylamine antihistamine with modified aromatic structure used for allergies and sometimes nausea. Imported under HTS 2933.59.21.00 as it qualifies among aromatic antihistamines per subheading scope. Chapter notes allow salt classification with acid/base.