Recombinant Human Insulin (Bulk) from Mexico
Recombinant human insulin is a protein hormone produced via biotechnology, used primarily for diabetes management. Classified in HTS 2937.19.00.00 as a protein hormone used primarily as a hormone. This applies to bulk API before formulation.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: 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
• Maintain cold chain with validated shipping; provide recombinant production process validation; differentiate from dosage-form insulins under 3004