Ergostine from Canada
Ergostine represents ergoline alkaloids from rye ergot used in synthetic chemistry. Classified HTS 2939.69.00.00 as other rye ergot alkaloids, meeting purity standards of chapter notes. Base form without salts or esters.
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
• Synthetic reproduction allowed if chemically identical to natural
• Confirm no metal coordination per note (C)(3)
• Bulk only; dosage forms go to Chapter 30