Recombinant Human Growth Hormone (Somatropin) from Mexico
Somatropin is a recombinant protein hormone structurally identical to human growth hormone, used to treat growth disorders. Classified under HTS 2937.19.00.00 as a protein hormone structural analogue used primarily as a hormone. This covers the bulk active pharmaceutical ingredient.
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
• Provide FDA IND/ANDA documentation; ensure biotech origin certificates; watch for reclassification if purity <95% as mixtures under Chapter 38