Guanosine Monophosphate (GMP) Sodium Salt from Mexico
GMP sodium salt is a nucleotide used in RNA synthesis and as a flavor enhancer in food industry. Classified under HTS 2934.99.39.00 as a product described in additional U.S. note 3 to section VI among aromatic nucleic acid salts.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
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
• Provide GMP/USP certificates and batch analysis for FDA import requirements
• Declare food-grade vs. pharmaceutical grade to determine additional agency reviews
• Use refrigerated transport to prevent degradation during international shipping