Recombinant Interleukin-2 (IL-2) from China
Recombinant human IL-2 is a cytokine growth factor stimulating T-cell proliferation for cancer immunotherapy. It is an unmixed immunological product under HTS 3002.13.0090, explicitly covered by chapter notes for interleukins regulating immune processes. Supplied in bulk for pharmaceutical compounding.
Duty Rate — China → 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
• Include potency assay certificates (IU/mg) to verify biological activity and therapeutic grade
• Declare under 'human blood fractions' if applicable, but specify biotech origin to avoid animal blood confusion