Recombinant Human Growth Hormone (Somatropin) from Canada
Somatropin is a recombinant DNA-derived version of human somatotropin (growth hormone), identical in structure to the natural pituitary hormone. It is used primarily to treat growth hormone deficiency in children and adults. Classified under HTS 2937.11.00.00 as a structural analogue of somatotropin used primarily as a hormone.
Duty Rate — Canada → 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
• Obtain FDA approval and biologics license application (BLA) prior to import as this is a regulated pharmaceutical
• Provide certificates of analysis confirming recombinant DNA origin and bioequivalence to human somatotropin
• Avoid misclassification as general proteins; specify polypeptide hormone function in import documentation