Products described in additional U.S. note 3 to section VI
Amine-function compounds > Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof: > Derived in whole or in part from any aromatic compound: > Other: > Products described in additional U.S. note 3 to section VI
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified 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.
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.
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.