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Meclizine Hydrochloride

Meclizine hydrochloride is an antihistamine for motion sickness containing a benzhydrylpiperazine structure. It is covered by HTS 2921.30.10.00 as a cyclanic amine derivative from aromatic compounds per U.S. note 3 to section VI.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽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.

2921.42Lower: 16.5% vs 31.5%

If classified as aniline derivative

Aromatic amine function may classify under 2921.42 if aniline characteristics dominate.

3824.99Lower: 15% vs 31.5%

If imported as mixture with excipients

Prepared chemical mixtures fall outside pure compound classifications.

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Import Tips & Compliance

• Provide stability data for shipping conditions

• Ensure chiral purity documentation if enantiomer-specific

• Avoid retail packaging to maintain chemical classification

Related Products under HTS 2921.30.10.00

Cyclizine Hydrochloride

Cyclizine hydrochloride is a piperazine derivative used as an antihistamine for motion sickness prevention. It falls under HTS 2921.30.10.00 as a cyclanic monoamine derivative from aromatic compounds, specifically listed in additional U.S. note 3 to section VI for pharmaceutical amines.

Buclizine Hydrochloride

Buclizine hydrochloride, a piperazine-based antihistamine, treats vertigo and nausea. Classified under HTS 2921.30.10.00 due to its cyclanic polyamine structure derived from aromatic compounds, per additional U.S. note 3.

Flunarizine Dihydrochloride

Flunarizine dihydrochloride is a calcium channel blocker used for migraine prophylaxis, featuring a piperazine ring. It qualifies for HTS 2921.30.10.00 as a derivative of cyclanic polyamines from aromatic compounds listed in U.S. note 3.

Cinnarizine

Cinnarizine, a piperazine antihistamine, prevents motion sickness and vertigo. Falls under HTS 2921.30.10.00 as a cyclenic polyamine derivative wholly derived from aromatic compounds, per additional U.S. note 3.

Hidroxyzine Hydrochloride

Hidroxyzine hydrochloride, a piperazine derivative, serves as an antihistamine and anxiolytic. Classified in HTS 2921.30.10.00 for its cyclanic polyamine structure derived in part from aromatic compounds, as specified in additional U.S. note 3.

Clocinizine Hydrochloride

Clocinizine hydrochloride, a less common piperazine antihistamine, treats allergic conditions. Falls under HTS 2921.30.10.00 as it matches the criteria for cyclanic polyamine derivatives from aromatics in additional U.S. note 3.