Bulk Riboflavin for Infant Formula from Mexico
Pharma/FCC Riboflavin designated for infant nutrition fortification. HTS 2936.23.00.00 as unmixed vitamin, excluded from Chapter 19/21 when supplied bulk for later mixture.
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
• Infant formula GMP certification; trace mineral limits; end-use statement prevents food prep misclassification