Adenosine Triphosphate (ATP) Disodium Salt from Mexico
ATP disodium salt is a chemically defined nucleic acid derivative essential for energy transfer in biochemical reactions. It falls under HTS 2934.99.39.00 as an aromatic heterocyclic compound listed in additional U.S. note 3 to section VI, specifically among nucleotide derivatives.
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
• Verify chemical purity certificates (≥98%) and provide SDS for customs clearance
• Ensure proper temperature-controlled shipping to maintain stability during transit
• Include end-use declaration for research vs. commercial to avoid misclassification