Synthetic Riboflavin 98% Feed Grade from Canada
High-purity synthetic Riboflavin produced for animal nutrition, classified as unmixed Vitamin B2 under HTS 2936.23.00.00. Meets chapter requirements for reproduced-by-synthesis vitamins used primarily as such, suitable for livestock feed fortification.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide feed-grade specification sheet per AAFCO; ensure no anti-caking agents render it Chapter 38 preparation; declare animal use to avoid human pharma scrutiny