Isoquinoline from Germany
Isoquinoline is a heterocyclic compound featuring an isoquinoline ring system, explicitly named in HTS 2933.49.15.00. It is widely used as a building block in synthesizing pharmaceuticals like papaverine and berberine alkaloids.
Duty Rate — Germany → United States
19.2%
Rate breakdown
9903.04.629.2%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
• Include NMR or GC-MS spectra in documentation to confirm isoquinoline identity
• Label containers with UN number if hazardous; check flash point requirements
• Verify not excluded under chapter notes as a coloring matter derivative