Recombinant Interleukin-2 (IL-2) from Japan
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 — Japan → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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