Blended Interferon-Alpha and Interleukin-2 Preparation from China
A mixed solution of recombinant interferon-alpha (IFN-α) and interleukin-2 (IL-2) for immunotherapy in viral infections and cancer. Falls under HTS 3002.14.00 as mixed immunological products (interferons and interleukins) not prepared for retail sale or in measured doses.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Submit lab reports confirming mixture of immunological proteins like IFN and IL-2, not simple solutions
• Ensure cold chain compliance with temperature logs; FDA prior notice required for biological imports