5-Methoxyindole from Canada
5-Methoxyindole contains methoxy substitution on the benzene ring of indole, classified under HTS 2933.99.0500 as modified aromatic indole. Key intermediate for melatonin synthesis.
Duty Rate — Canada → 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
• Ether functionality doesn't override heterocyclic classification
• Precursor to controlled substances; additional DEA documentation may apply
• Position 5 vs 6 isomers; verify by HPLC chromatogram