Recombinant Interleukin-2 (IL-2) from Mexico
IL-2 is a growth factor protein stimulating immune cell proliferation, used in immunotherapy for cancer. It qualifies as an unmixed immunological product under HTS 3002.13.00, not in retail forms, matching chapter note for interleukins regulating immunological processes.
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
Import Tips
• Provide recombinant origin certificates and bioactivity assay results; ensure compliance with biologics import alerts; label clearly as unmixed to avoid dosage-based reclassification