Ergostine from China
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 — China → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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