Secretin (Synthetic) from Canada
Secretin is a gastrointestinal polypeptide hormone used diagnostically, available in synthetic form. Falls under HTS 2937.19.00.00 as a polypeptide hormone used primarily as a hormone. Classification reflects its chemical structure and hormonal nature.
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
• Include diagnostic use exemption docs; validate purity >98%; prevent reclassification as diagnostic reagents