3-Aminocarbazole from Germany
3-Aminocarbazole is a modified aromatic derivative of carbazole with an amino group substitution, maintaining the core heterocyclic nitrogen structure required by HTS 2933.99.11.00. Used as an intermediate in pharmaceutical and optical brightener 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
• Submit structural formula and NMR spectrum confirming carbazole core with single functional modification to avoid reclassification
• Include end-use statement if for pharmaceutical intermediates to facilitate FDA pre-clearance