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2924.29.77.90/Nicotinamide (Niacinamide)/Japan

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

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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

Nicotinamide (Niacinamide) from Japan — Import Duty Rate | HTS 2924.29.77.90