L-Isoleucine Pharmaceutical from Canada
L-Isoleucine Pharmaceutical is used in IV nutrition and recovery supplements for athletes. HTS 2922.49.80.00 covers this amino acid with its single oxygen-function carboxyl group, excluding multi-function compounds.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide pharmacopeia compliance docs (USP/EP); ensure sterile packaging certification; file FDA Drug Establishment Registration for pharma grade