4-Dimethylaminophenylarsine Drug Intermediate from Mexico
This aromatic organo-arsenic compound serves as a key intermediate in synthesizing anti-parasitic drugs. Classified under HTS 2931.90.22.00 due to its aromatic structure with arsenic directly bonded to carbon and designated pharmaceutical application.
Duty Rate — Mexico → 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
• Submit synthesis pathway documentation proving direct C-As bond to avoid reclassification as sulfonated derivative
• Include end-use statement from pharmaceutical manufacturer to maintain 'drugs' designation
• Monitor REACH/TSCA registration for arsenic compounds to ensure environmental compliance