PharmaGrade Niacinamide 99% Crystals from Japan
High-purity crystalline niacinamide (99%) for pharmaceutical compounding and vitamin supplement manufacturing. Falls under HTS 2936.29.16.30 as unmixed niacinamide derivative used primarily as vitamin B3. Synthetic reproduction of natural provitamin nicotinamide.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include GC-MS certificate confirming niacinamide identity (not niacin); declare exact purity percentage; watch for FDA prior notice requirements for vitamin imports over 100kg