Misoprostol from Canada
Misoprostol is a synthetic prostaglandin E1 analogue used primarily for preventing NSAID-induced gastric ulcers and inducing labor. It falls under HTS 2937.50.00.00 as a prostaglandin derivative and structural analogue used primarily as a hormone. This classification applies to its chemically defined organic structure meeting Chapter 29 requirements.
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
• Require FDA import approval and Drug Master File; verify pharmaceutical grade purity certificates
• Include detailed chemical analysis and CAS number (59122-46-2) on commercial invoice to confirm HTS classification
• Avoid misclassification as general medicaments (HTS 3004); provide evidence of primary hormonal use