Ergosine Hydrobromide from Mexico
Ergosine hydrobromide is a lesser-known rye ergot alkaloid salt used in biochemical studies. HTS 2939.69.00.00 applies as the hydrobromide salt of a rye ergot alkaloid per classification notes on salts. Supplied as high-purity powder for research.
Duty Rate — Mexico → 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
• Include NMR spectra confirming ergot structure and salt formation
• Halide salts classified with parent alkaloid per note (E)
• Avoid bulk packaging over 1kg that might suggest industrial chemical use