Pethidine Intermediate A (NOR) from Mexico
Pethidine Intermediate A, chemically 1-methyl-4-phenylpiperidine-4-carboxylic acid ethyl ester, is a key synthetic precursor to the opium alkaloid derivative meperidine (pethidine). It is classified under HTS 2939.19.20.00 as a synthetic derivative structurally related to opium alkaloids. Used exclusively in controlled pharmaceutical synthesis.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 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
• List of Narcotic Intermediates requires specific DEA Form 333; general alkaloid permits insufficient
• Prove downstream manufacturing location to avoid diversion concerns
• Maintain chain-of-custody documentation from origin to destination