5-Methoxyindole from Germany
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 — Germany → United States
25%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 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