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Oxytocin API Powder from Mexico

Synthetic oxytocin active pharmaceutical ingredient (API) powder, a peptide hormone used primarily for uterine contraction and lactation. Classified under HTS 2937.90.90.00 as chain-modified polypeptide used primarily as a hormone. Bulk form excludes finished injectables.

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

Provide peptide synthesis documentation confirming chain-modified hormone structure

Ensure cold chain logistics to maintain API stability during import

FDA Drug Master File (DMF) reference may expedite customs clearance