High-Purity Riboflavin for Fermentation Media from Mexico
Analytical-grade Riboflavin for microbial growth media in biotech production. Still HTS 2936.23.00.00 as synthetic vitamin used primarily as such, industrial end-use doesn't change chemical classification.
Duty Rate — Mexico → 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
• Biotech-grade CoA with endotoxin limits; volumetric flask compatibility declaration; industrial vs food/pharma segregation