Riboflavin USP Powder from Mexico
Pharmaceutical-grade Riboflavin (Vitamin B2) powder meeting USP standards, used primarily as a vitamin supplement in tablets and capsules. This chemically defined organic compound falls under HTS 2936.23.00.00 as unmixed Vitamin B2 for nutritional and therapeutic applications. It is synthesized for high purity in human dietary supplements.
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
• Verify USP certificate of analysis and purity documentation to meet FDA import requirements; ensure labeling specifies 'Vitamin B2' content accurately; watch for common misclassification as food additives under Chapter 21