Isothipendyl Hydrochloride from China
Isothipendyl hydrochloride, a phenothiazine antihistamine, is used for allergies and as a sedative. Falls under HTS 2934.30.27.00 as a non-antipsychotic phenothiazine drug per the heading's 'other drugs' provision.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Provide NMR/structural analysis confirming phenothiazine ring-system as required by heading 2934
• Document H1-receptor specificity to differentiate from antipsychotic D2-blocking phenothiazines
• Ensure EU REACH compliance documentation for novel antihistamine imports