Adenosine Triphosphate (ATP) Disodium Salt from Japan
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 — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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