Ergoclavine from Canada
Ergoclavine is a clavine-type alkaloid from rye ergot fungi, studied for neuroactive properties. Falls under HTS 2939.69.00.00 as a natural rye ergot alkaloid, per chapter scope for separate chemically defined compounds. Often synthesized for purity.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Fungal origin documentation distinguishes from synthetic organics
• Purity >98% required for chapter 29; lower becomes mixture
• Don't add excipients exceeding note (f) stabilizer limits