Nicotinamide (Niacinamide) from Japan
Nicotinamide is the amide form of vitamin B3, an aromatic heterocyclic amide essential nutrient. HTS 2924.29.77.90 as other aromatic cyclic amide. Used in supplements and therapeutics.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Vitamin but pure chemical form stays Chapter 29; finished supplements go to 3003/2106
• USP grade requires heavy metal/impurity specs; GRAS status aids food use claims
• Distinguish from niacin (acid form) in 2936 heading