Riboflavin Sodium Phosphate from Mexico
Water-soluble salt derivative of Riboflavin for IV and ophthalmic solutions. Classified HTS 2936.23.00.00 per Chapter 29 note 3(C)(1) with the organic vitamin compound, used primarily as Vitamin B2.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Certify sodium content and pH specifications; FDA prior notice mandatory; avoid misdeclaration as coordination compound under note 3(C)(3)