Riboflavin Tetrabutyrate from Germany
Lipophilic ester derivative of Riboflavin for specialized vitamin delivery systems. HTS 2936.23.00.00 applies as a derivative used primarily as Vitamin B2, following Chapter 29 rules for ester classification with parent compound.
Duty Rate — Germany → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Validate molecular structure documentation; test for solvent residues per Chapter note (e); partner with customs broker experienced in novel vitamin esters